diff --git a/Pipfile b/Pipfile
index 38e9320..b81e369 100644
--- a/Pipfile
+++ b/Pipfile
@@ -28,7 +28,7 @@ pytest-asyncio = "*"
 types-requests = "*"
 
 [packages]
-solana = {version = ">=0.11.3"}
+solana = {version = ">=0.15.0"}
 construct = "*"
 flake8 = "*"
 construct-typing = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index f7c3201..dc4f46f 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,11 +1,11 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "6e3769e9efcc90fa5c6a46dcd89465e6457f6cb2c1395adc91ae3886a900ab17"
+            "sha256": "25937afe79242d19be0abd2c88c32b28a5fceb89ea8c52556a3d3150eecfa063"
         },
         "pipfile-spec": 6,
         "requires": {
-            "python_version": "3.7"
+            "python_version": "3.9"
         },
         "sources": [
             {
@@ -18,11 +18,11 @@
     "default": {
         "anyio": {
             "hashes": [
-                "sha256:929a6852074397afe1d989002aa96d457e3e1e5441357c60d03e7eea0e65e1b0",
-                "sha256:ae57a67583e5ff8b4af47666ff5651c3732d45fd26c929253748e796af860374"
+                "sha256:0b993a2ef6c1dc456815c2b5ca2819f382f20af98087cc2090a4afed3a501436",
+                "sha256:c32da314c510b34a862f5afeaf8a446ffed2c2fde21583e654bd71ecfb5b744b"
             ],
             "markers": "python_full_version >= '3.6.2'",
-            "version": "==3.3.0"
+            "version": "==3.3.2"
         },
         "base58": {
             "hashes": [
@@ -32,70 +32,83 @@
             "markers": "python_version >= '3.5'",
             "version": "==2.1.0"
         },
+        "cachetools": {
+            "hashes": [
+                "sha256:89ea6f1b638d5a73a4f9226be57ac5e4f399d22770b92355f92dcb0f7f001693",
+                "sha256:92971d3cb7d2a97efff7c7bb1657f21a8f5fb309a37530537c71b1774189f2d1"
+            ],
+            "markers": "python_version ~= '3.5'",
+            "version": "==4.2.4"
+        },
         "certifi": {
             "hashes": [
-                "sha256:2bbf76fd432960138b3ef6dda3dde0544f27cbf8546c458e60baf371917ba9ee",
-                "sha256:50b1e4f8446b06f41be7dd6338db18e0990601dce795c2b1686458aa7e8fa7d8"
+                "sha256:78884e7c1d4b00ce3cea67b44566851c4343c120abd683433ce934a68ea58872",
+                "sha256:d62a0163eb4c2344ac042ab2bdf75399a71a2d8c7d47eac2e2ee91b9d6339569"
             ],
-            "version": "==2021.5.30"
+            "version": "==2021.10.8"
         },
         "cffi": {
             "hashes": [
-                "sha256:06c54a68935738d206570b20da5ef2b6b6d92b38ef3ec45c5422c0ebaf338d4d",
-                "sha256:0c0591bee64e438883b0c92a7bed78f6290d40bf02e54c5bf0978eaf36061771",
-                "sha256:19ca0dbdeda3b2615421d54bef8985f72af6e0c47082a8d26122adac81a95872",
-                "sha256:22b9c3c320171c108e903d61a3723b51e37aaa8c81255b5e7ce102775bd01e2c",
-                "sha256:26bb2549b72708c833f5abe62b756176022a7b9a7f689b571e74c8478ead51dc",
-                "sha256:33791e8a2dc2953f28b8d8d300dde42dd929ac28f974c4b4c6272cb2955cb762",
-                "sha256:3c8d896becff2fa653dc4438b54a5a25a971d1f4110b32bd3068db3722c80202",
-                "sha256:4373612d59c404baeb7cbd788a18b2b2a8331abcc84c3ba40051fcd18b17a4d5",
-                "sha256:487d63e1454627c8e47dd230025780e91869cfba4c753a74fda196a1f6ad6548",
-                "sha256:48916e459c54c4a70e52745639f1db524542140433599e13911b2f329834276a",
-                "sha256:4922cd707b25e623b902c86188aca466d3620892db76c0bdd7b99a3d5e61d35f",
-                "sha256:55af55e32ae468e9946f741a5d51f9896da6b9bf0bbdd326843fec05c730eb20",
-                "sha256:57e555a9feb4a8460415f1aac331a2dc833b1115284f7ded7278b54afc5bd218",
-                "sha256:5d4b68e216fc65e9fe4f524c177b54964af043dde734807586cf5435af84045c",
-                "sha256:64fda793737bc4037521d4899be780534b9aea552eb673b9833b01f945904c2e",
-                "sha256:6d6169cb3c6c2ad50db5b868db6491a790300ade1ed5d1da29289d73bbe40b56",
-                "sha256:7bcac9a2b4fdbed2c16fa5681356d7121ecabf041f18d97ed5b8e0dd38a80224",
-                "sha256:80b06212075346b5546b0417b9f2bf467fea3bfe7352f781ffc05a8ab24ba14a",
-                "sha256:818014c754cd3dba7229c0f5884396264d51ffb87ec86e927ef0be140bfdb0d2",
-                "sha256:8eb687582ed7cd8c4bdbff3df6c0da443eb89c3c72e6e5dcdd9c81729712791a",
-                "sha256:99f27fefe34c37ba9875f224a8f36e31d744d8083e00f520f133cab79ad5e819",
-                "sha256:9f3e33c28cd39d1b655ed1ba7247133b6f7fc16fa16887b120c0c670e35ce346",
-                "sha256:a8661b2ce9694ca01c529bfa204dbb144b275a31685a075ce123f12331be790b",
-                "sha256:a9da7010cec5a12193d1af9872a00888f396aba3dc79186604a09ea3ee7c029e",
-                "sha256:aedb15f0a5a5949ecb129a82b72b19df97bbbca024081ed2ef88bd5c0a610534",
-                "sha256:b315d709717a99f4b27b59b021e6207c64620790ca3e0bde636a6c7f14618abb",
-                "sha256:ba6f2b3f452e150945d58f4badd92310449876c4c954836cfb1803bdd7b422f0",
-                "sha256:c33d18eb6e6bc36f09d793c0dc58b0211fccc6ae5149b808da4a62660678b156",
-                "sha256:c9a875ce9d7fe32887784274dd533c57909b7b1dcadcc128a2ac21331a9765dd",
-                "sha256:c9e005e9bd57bc987764c32a1bee4364c44fdc11a3cc20a40b93b444984f2b87",
-                "sha256:d2ad4d668a5c0645d281dcd17aff2be3212bc109b33814bbb15c4939f44181cc",
-                "sha256:d950695ae4381ecd856bcaf2b1e866720e4ab9a1498cba61c602e56630ca7195",
-                "sha256:e22dcb48709fc51a7b58a927391b23ab37eb3737a98ac4338e2448bef8559b33",
-                "sha256:e8c6a99be100371dbb046880e7a282152aa5d6127ae01783e37662ef73850d8f",
-                "sha256:e9dc245e3ac69c92ee4c167fbdd7428ec1956d4e754223124991ef29eb57a09d",
-                "sha256:eb687a11f0a7a1839719edd80f41e459cc5366857ecbed383ff376c4e3cc6afd",
-                "sha256:eb9e2a346c5238a30a746893f23a9535e700f8192a68c07c0258e7ece6ff3728",
-                "sha256:ed38b924ce794e505647f7c331b22a693bee1538fdf46b0222c4717b42f744e7",
-                "sha256:f0010c6f9d1a4011e429109fda55a225921e3206e7f62a0c22a35344bfd13cca",
-                "sha256:f0c5d1acbfca6ebdd6b1e3eded8d261affb6ddcf2186205518f1428b8569bb99",
-                "sha256:f10afb1004f102c7868ebfe91c28f4a712227fe4cb24974350ace1f90e1febbf",
-                "sha256:f174135f5609428cc6e1b9090f9268f5c8935fddb1b25ccb8255a2d50de6789e",
-                "sha256:f3ebe6e73c319340830a9b2825d32eb6d8475c1dac020b4f0aa774ee3b898d1c",
-                "sha256:f627688813d0a4140153ff532537fbe4afea5a3dffce1f9deb7f91f848a832b5",
-                "sha256:fd4305f86f53dfd8cd3522269ed7fc34856a8ee3709a5e28b2836b2db9d4cd69"
-            ],
-            "version": "==1.14.6"
+                "sha256:041959931764e4ae49e62a0064093f1979ef0b9988ea0876972a8b4139e2eace",
+                "sha256:064eba829f71bd10792455bc7dde4bd8477fe0cac12b6076423667397339d604",
+                "sha256:14c6f65976cfb5354a2c71bd3e996221d244264f39aa76266e5bf92031e7c32f",
+                "sha256:1708c7ce000c5241e9a0942e259056b62559055b5b0648e6f4fe2009eb6543c6",
+                "sha256:1b2d4964dbda701e00ef673b9171078c68ab87945e4e41b0f97cc6cf8b228519",
+                "sha256:1e4e4a181c4d7718b5e820db5f5552ba75d49237f5766b56ac39d76dab986340",
+                "sha256:26cbbc5a9ba601419cdbbd296a8120b6296fbddb3f76d0d5669b4c3de41fcfa5",
+                "sha256:2b63ec0afdceb26c998487ee995ce40aa7de13113c8a8c07430cb825b4cf600d",
+                "sha256:2e50e0cd32baac221ad447bf3c8233f6dcf1b9dfe985fbade4609c33ab25a261",
+                "sha256:3d1d2dbf682ef11ab9b19192a4e9a4dab5fed28d820b3c4fecdd14eb4a53e2ba",
+                "sha256:4bcd611118ebd3c4da7aa453195006857fdf4e8367116ae9bc7840fb6e55e5cb",
+                "sha256:4c5f154140a7525787e12612659f16acc8c5e10854a28b5f34265ced7e52ea7c",
+                "sha256:4fdb3bfc6d359b6c2389ce3f9541861f8866690da8beb1a07edd7c2b909689a2",
+                "sha256:546e07621327d841e92eb000b1b8857b6ca38dc07aec2b40b50392ccd18457e9",
+                "sha256:5828ca3b9dfc05118336a7474dfe3d5e28128e26c2a3844c6fc931c18bf9e015",
+                "sha256:5cd63b45d8c391779cd1059d00c29b7a92da3b6913de3f671f11d103d99597f1",
+                "sha256:5fe287dad6b1f2a936ae7ffdb2822dd9c0ed01bc56eed6ad3bad0788cba841c0",
+                "sha256:61e0f7f6b719dfa786e5f39887cb62d96477956006edce4869a11e75287a5c58",
+                "sha256:68b9cc5f9872cc8ac2dd2dc4249a17e46537005b87ef2f7aa863fba7e6aceae0",
+                "sha256:760eab7b40e8b1da0e68afc0524f951c03a55c9cd1589718094bb4e759f24972",
+                "sha256:7945717dc73e197b5e56b7a468749b79a4adce1463dce7766d4b50e1771fb710",
+                "sha256:7d1f584a0c786b6b10c7f1a80e9615532a7410dd2eb117a6b9cd214258936be0",
+                "sha256:82391d89ab10e5a5af763052ec048b675ae72cbf047d47918c7f0b9f3dfadfbc",
+                "sha256:84d4d27c986e3c9c22eed7b84a47a87a8e9b4840fb17151266342a382c78baa0",
+                "sha256:875009c94e380fd0b027193cbf7abf54fb8e0173401f0941d27b4ccce6a077b6",
+                "sha256:99b9cc04ad9df57ed541bd9814244509bb3ca0ce7104b4471a33ba649e86a1fa",
+                "sha256:9ca5ff9ce84bcec15cac6d05ccaf48c527a4dae0a5492a07feefaa1989ab9ec7",
+                "sha256:9e490d1d3621e792d38d2ad504024b0cc98a90ee44380d22672da39175ca0b47",
+                "sha256:9f1dba4b183736cdc2d7481b328fb0e3666c26bd4c44da0782c3e49ea24034c2",
+                "sha256:a03cf4fc1e93f20fd5580650aac0adcd10c667c38de77169bf1956ed9e96534e",
+                "sha256:b086e09e7a13dfc91e9334d8bfc4895a7212452905db41c88add6563deb5d6be",
+                "sha256:b360176e10fe892948aec2656822cea1ac53b52fceaebc9f49c4f304dbb67d99",
+                "sha256:b62b6d33de56392a7a5c35e72b7006b12cfb68d57d608bd55c98f7e2b71229c6",
+                "sha256:b644c4cbbada9ed3c6c4f2e79b2fe58e8826de696378df221aeafe3d14204696",
+                "sha256:b6a1b91f87725ae86d00911f8dd373d98e0cdf1845997d8f40d5b8f977df6fae",
+                "sha256:bf90ce27e390932a57331755a51d5474cbbf74ac7d22533d2f36c00bcff825e7",
+                "sha256:c361849741ab4e0b9992e51f4975251a9e9253d2231786ffcd75598960ff9b37",
+                "sha256:c3c9224e3851b7a98ebaa51edb30d6a0d30c472e1641dc2ecae090f466b56c62",
+                "sha256:c996ccae21e66ca1576c6ccf69017bbad59eb3694b14eda963b726e786dd20c2",
+                "sha256:c9d1cb341593da38089612c8dde502c1c446496766a1cd3b37c98de6cef1ecef",
+                "sha256:caabbde5dd107525817cd633a7cd75cbeac48672a5d72b25ae006f9009a9392c",
+                "sha256:cccb7e359e5465b3ba0bd055b9a3993d45b833c900420697864fb3c77711c2ba",
+                "sha256:cccfdb53d37d1b0407d30c5cf321845ba4b3df42d904396c9bd44fe460896046",
+                "sha256:cf1bdf1675c4605cd15b6bf9b987a808526d85cec57a1141665581690ff34b6d",
+                "sha256:d030856eb6a44347ce4027b3db9c7120aa6726a66f5fddff0a9380802d0df59d",
+                "sha256:d3eacf2acbae1a9c9ea734b771599191ccd3b21a4b1aaa160f30270127f5d79b",
+                "sha256:dc2f352dbc1b1562442fdb061fa6953850fcb977e09c94e347f2d702e62261f6",
+                "sha256:e2059472cb38a3f0ed10c62f9b654442779d95f1490f4cdbf6ddd6e5b6552474",
+                "sha256:e50a72110c6426d4c00c1cb9e9551fcc4d6894931f070b3821595b1d90c19246",
+                "sha256:f30d664202fbf49c32451a627b71db34e5564cf48c40b4de429836cdf368e517"
+            ],
+            "version": "==1.15.0rc2"
         },
         "charset-normalizer": {
             "hashes": [
-                "sha256:0c8911edd15d19223366a194a513099a302055a962bca2cec0f54b8b63175d8b",
-                "sha256:f23667ebe1084be45f6ae0538e4a5a865206544097e4e8bbcacf42cd02a348f3"
+                "sha256:5d209c0a931f215cee683b6445e2d77677e7e75e159f78def0db09d68fafcaa6",
+                "sha256:5ec46d183433dcbd0ab716f2d7f29d8dee50505b3fdb40c6b985c7c4f5a3591f"
             ],
             "markers": "python_version >= '3'",
-            "version": "==2.0.4"
+            "version": "==2.0.6"
         },
         "construct": {
             "hashes": [
@@ -130,19 +143,19 @@
         },
         "httpcore": {
             "hashes": [
-                "sha256:b0d16f0012ec88d8cc848f5a55f8a03158405f4bca02ee49bc4ca2c1fda49f3e",
-                "sha256:db4c0dcb8323494d01b8c6d812d80091a31e520033e7b0120883d6f52da649ff"
+                "sha256:036f960468759e633574d7c121afba48af6419615d36ab8ede979f1ad6276fa3",
+                "sha256:369aa481b014cf046f7067fddd67d00560f2f00426e79569d99cb11245134af0"
             ],
             "markers": "python_version >= '3.6'",
-            "version": "==0.13.6"
+            "version": "==0.13.7"
         },
         "httpx": {
             "hashes": [
-                "sha256:979afafecb7d22a1d10340bafb403cf2cb75aff214426ff206521fc79d26408c",
-                "sha256:9f99c15d33642d38bce8405df088c1c4cfd940284b4290cacbfb02e64f4877c6"
+                "sha256:92ecd2c00c688b529eda11cedb15161eaf02dee9116712f621c70d9a40b2cdd0",
+                "sha256:9bd728a6c5ec0a9e243932a9983d57d3cc4a87bb4f554e1360fce407f78f9435"
             ],
             "markers": "python_version >= '3.6'",
-            "version": "==0.18.2"
+            "version": "==0.19.0"
         },
         "idna": {
             "hashes": [
@@ -152,14 +165,6 @@
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==3.2"
         },
-        "importlib-metadata": {
-            "hashes": [
-                "sha256:0645585859e9a6689c523927a5032f2ba5919f1f7d0e84bd4533312320de1ff9",
-                "sha256:51c6635429c77cf1ae634c997ff9e53ca3438b495f10a55ba28594dd69764a8b"
-            ],
-            "markers": "python_version < '3.8'",
-            "version": "==4.6.3"
-        },
         "mccabe": {
             "hashes": [
                 "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
@@ -251,36 +256,28 @@
         },
         "solana": {
             "hashes": [
-                "sha256:c18bd089ea7023e0d301cbad42bb1812d09ef73bca2b196b0adbe7028e747bf7",
-                "sha256:e1edb5b0b38c0455c1924e9308d38b61e836a40eb4b21ede3b6744e0dccc1296"
+                "sha256:42590faea125d2c30ada4b28c658e8b6b32b6745982b05ddd167f960305fc9c6",
+                "sha256:72ffc5b32aea10e7c592a9a14897410c762d620798ffb9b8e888f3bd83443f9d"
             ],
             "index": "pypi",
-            "version": "==0.11.3"
+            "version": "==0.16.0"
         },
         "typing-extensions": {
             "hashes": [
-                "sha256:0ac0f89795dd19de6b97debb0c6af1c70987fd80a2d62d1958f7e56fcc31b497",
-                "sha256:50b6f157849174217d0656f99dc82fe932884fb250826c18350e159ec6cdf342",
-                "sha256:779383f6086d90c99ae41cf0ff39aac8a7937a9283ce0a414e5dd782f4c94a84"
+                "sha256:49f75d16ff11f1cd258e1b988ccff82a3ca5570217d7ad8c5f48205dd99a677e",
+                "sha256:d8226d10bc02a29bcc81df19a26e56a9647f8b0a6d4a83924139f4a8b01f17b7",
+                "sha256:f1d25edafde516b146ecd0613dabcc61409817af4766fbbcfb8d1ad4ec441a34"
             ],
             "markers": "python_version < '3.8'",
-            "version": "==3.10.0.0"
+            "version": "==3.10.0.2"
         },
         "urllib3": {
             "hashes": [
-                "sha256:39fb8672126159acb139a7718dd10806104dec1e2f0f6c88aab05d17df10c8d4",
-                "sha256:f57b4c16c62fa2760b7e3d97c35b255512fb6b59a259730f36ba32ce9f8e342f"
+                "sha256:4987c65554f7a2dbf30c18fd48778ef124af6fab771a377103da0585e2336ece",
+                "sha256:c4fdf4019605b6e5423637e01bc9fe4daef873709a7973e195ceba0a62bbc844"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
-            "version": "==1.26.6"
-        },
-        "zipp": {
-            "hashes": [
-                "sha256:957cfda87797e389580cb8b9e3870841ca991e2125350677b2ca83a0e99390a3",
-                "sha256:f5812b1e007e48cff63449a5e9f4e7ebea716b4111f9c4f9a645f91d579bf0c4"
-            ],
-            "markers": "python_version >= '3.6'",
-            "version": "==3.5.0"
+            "version": "==1.26.7"
         }
     },
     "develop": {
@@ -293,45 +290,28 @@
         },
         "anyio": {
             "hashes": [
-                "sha256:929a6852074397afe1d989002aa96d457e3e1e5441357c60d03e7eea0e65e1b0",
-                "sha256:ae57a67583e5ff8b4af47666ff5651c3732d45fd26c929253748e796af860374"
+                "sha256:0b993a2ef6c1dc456815c2b5ca2819f382f20af98087cc2090a4afed3a501436",
+                "sha256:c32da314c510b34a862f5afeaf8a446ffed2c2fde21583e654bd71ecfb5b744b"
             ],
             "markers": "python_full_version >= '3.6.2'",
-            "version": "==3.3.0"
-        },
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@@ -341,14 +321,6 @@
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@@ -374,92 +346,97 @@
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@@ -470,152 +447,107 @@
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@@ -667,11 +599,11 @@
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@@ -682,19 +614,19 @@
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@@ -729,11 +661,11 @@
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@@ -744,42 +676,43 @@
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@@ -790,19 +723,19 @@
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@@ -839,30 +772,50 @@
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@@ -874,11 +827,11 @@
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@@ -932,27 +885,27 @@
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@@ -972,11 +925,11 @@
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@@ -988,9 +941,11 @@
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@@ -1029,13 +984,21 @@
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@@ -1103,27 +1066,27 @@
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-                "sha256:a4eddbe2a715b2dd3849afbdeacf1cc283160b24e09baf64fa5675f51940419d",
-                "sha256:a5c6dbe09aff091adfa8c7cfc1a0e83fdb8021ddb2c183512775a14f1435fe16",
-                "sha256:b63e3571b24a7959017573b6455e05b675050bbbea69408f35f3cb984ec54363",
-                "sha256:bb350eb1060591d8e89d6bac4713d41006cd4d479f5e11db334a48ff8999512f",
-                "sha256:bf6d987edd4a44dd2fa2723fca2790f9442ae4de2c8438e53fcb1befdf5d823a",
-                "sha256:bfa6a679410b394600eafd16336b2ce8de43e9b13f7fb9247d84ef5ad2b45e91",
-                "sha256:c856ec9b42e5af4fe2d8e75970fcc3a2c15925cbcc6e7a9bcb44583b10b95e80",
-                "sha256:cea56288eeda8b7511d507bbe7790d89ae7049daa5f51ae31a35ae3c05408531",
-                "sha256:ea212df6e5d3f60341aef46401d32fcfded85593af1d82b8b4a7a68cd67fdd6b",
-                "sha256:f35567470ee6dbfb946f069ed5f5615b40edcbb5f1e6e1d3d2b114468d505fc6",
-                "sha256:fbc20975eee093efa2071de80df7f972b7b35e560b213aafabcec7c0bd00bd8c",
-                "sha256:ff4a8ad9638b7ca52313d8732f37ecd5fd3c8e3aff10a8ccb93176fd5b3812f6"
-            ],
-            "version": "==2021.8.3"
+                "sha256:09e1031e2059abd91177c302da392a7b6859ceda038be9e015b522a182c89e4f",
+                "sha256:176796cb7f82a7098b0c436d6daac82f57b9101bb17b8e8119c36eecf06a60a3",
+                "sha256:1abbd95cbe9e2467cac65c77b6abd9223df717c7ae91a628502de67c73bf6838",
+                "sha256:1ce02f420a7ec3b2480fe6746d756530f69769292eca363218c2291d0b116a01",
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+                "sha256:26895d7c9bbda5c52b3635ce5991caa90fbb1ddfac9c9ff1c7ce505e2282fb2a",
+                "sha256:2efd47704bbb016136fe34dfb74c805b1ef5c7313aef3ce6dcb5ff844299f432",
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+                "sha256:45cb0f7ff782ef51bc79e227a87e4e8f24bc68192f8de4f18aae60b1d60bc152",
+                "sha256:4786dae85c1f0624ac77cb3813ed99267c9adb72e59fdc7297e1cf4d6036d493",
+                "sha256:51feefd58ac38eb91a21921b047da8644155e5678e9066af7bcb30ee0dca7361",
+                "sha256:55ef044899706c10bc0aa052f2fc2e58551e2510694d6aae13f37c50f3f6ff61",
+                "sha256:5e5796d2f36d3c48875514c5cd9e4325a1ca172fc6c78b469faa8ddd3d770593",
+                "sha256:5f199419a81c1016e0560c39773c12f0bd924c37715bffc64b97140d2c314354",
+                "sha256:5f55c4804797ef7381518e683249310f7f9646da271b71cb6b3552416c7894ee",
+                "sha256:74e55f8d66f1b41d44bc44c891bcf2c7fad252f8f323ee86fba99d71fd1ad5e3",
+                "sha256:7f125fce0a0ae4fd5c3388d369d7a7d78f185f904c90dd235f7ecf8fe13fa741",
+                "sha256:82cfb97a36b1a53de32b642482c6c46b6ce80803854445e19bc49993655ebf3b",
+                "sha256:88dc3c1acd3f0ecfde5f95c32fcb9beda709dbdf5012acdcf66acbc4794468eb",
+                "sha256:924079d5590979c0e961681507eb1773a142553564ccae18d36f1de7324e71ca",
+                "sha256:973499dac63625a5ef9dfa4c791aa33a502ddb7615d992bdc89cf2cc2285daa3",
+                "sha256:981c786293a3115bc14c103086ae54e5ee50ca57f4c02ce7cf1b60318d1e8072",
+                "sha256:9c070d5895ac6aeb665bd3cd79f673775caf8d33a0b569e98ac434617ecea57d",
+                "sha256:9e3e2cea8f1993f476a6833ef157f5d9e8c75a59a8d8b0395a9a6887a097243b",
+                "sha256:9e527ab1c4c7cf2643d93406c04e1d289a9d12966529381ce8163c4d2abe4faf",
+                "sha256:a37305eb3199d8f0d8125ec2fb143ba94ff6d6d92554c4b8d4a8435795a6eccd",
+                "sha256:aa0ab3530a279a3b7f50f852f1bab41bc304f098350b03e30a3876b7dd89840e",
+                "sha256:b04e512eb628ea82ed86eb31c0f7fc6842b46bf2601b66b1356a7008327f7700",
+                "sha256:b09d3904bf312d11308d9a2867427479d277365b1617e48ad09696fa7dfcdf59",
+                "sha256:b8b6ee6555b6fbae578f1468b3f685cdfe7940a65675611365a7ea1f8d724991",
+                "sha256:b9b5c215f3870aa9b011c00daeb7be7e1ae4ecd628e9beb6d7e6107e07d81287",
+                "sha256:c6569ba7b948c3d61d27f04e2b08ebee24fec9ff8e9ea154d8d1e975b175bfa7",
+                "sha256:e4204708fa116dd03436a337e8e84261bc8051d058221ec63535c9403a1582a1",
+                "sha256:ea8de658d7db5987b11097445f2b1f134400e2232cb40e614e5f7b6f5428710e",
+                "sha256:f540f153c4f5617bc4ba6433534f8916d96366a08797cbbe4132c37b70403e92",
+                "sha256:fab3ab8aedfb443abb36729410403f0fe7f60ad860c19a979d47fb3eb98ef820",
+                "sha256:fb2baff66b7d2267e07ef71e17d01283b55b3cc51a81b54cc385e721ae172ba4",
+                "sha256:fe6ce4f3d3c48f9f402da1ceb571548133d3322003ce01b20d960a82251695d2",
+                "sha256:ff24897f6b2001c38a805d53b6ae72267025878d35ea225aa24675fbff2dba7f"
+            ],
+            "version": "==2021.10.8"
         },
         "requests": {
             "hashes": [
@@ -1313,10 +1284,10 @@
         },
         "rope": {
             "hashes": [
-                "sha256:64e6d747532e1f5c8009ec5aae3e5523a5bcedf516f39a750d57d8ed749d90da"
+                "sha256:505a2f6b4ac7b18e0429be179f4d8712243a194da5c866b0731f9d91ce7590bb"
             ],
             "index": "pypi",
-            "version": "==0.19.0"
+            "version": "==0.20.1"
         },
         "secretstorage": {
             "hashes": [
@@ -1328,10 +1299,11 @@
         },
         "send2trash": {
             "hashes": [
-                "sha256:d2c24762fd3759860a0aff155e45871447ea58d2be6bdd39b5c8f966a0c99c2d",
-                "sha256:f20eaadfdb517eaca5ce077640cb261c7d2698385a6a0f072a4a5447fd49fa08"
+                "sha256:56215329f48b4b147d93719fe901d7de84cae0048cad6e6c31e6d593d9f2dcbb",
+                "sha256:9c9f667f7211232dda8add62116e835304c8015210cbd8612847aaf19875a487"
             ],
-            "version": "==1.8.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==1.8.1b0"
         },
         "six": {
             "hashes": [
@@ -1358,11 +1330,11 @@
         },
         "sphinx": {
             "hashes": [
-                "sha256:3092d929cd807926d846018f2ace47ba2f3b671b309c7a89cd3306e80c826b13",
-                "sha256:46d52c6cee13fec44744b8c01ed692c18a640f6910a725cbb938bc36e8d64544"
+                "sha256:94078db9184491e15bce0a56d9186e0aec95f16ac20b12d00e06d4e36f1058a6",
+                "sha256:98a535c62a4fcfcc362528592f69b26f7caec587d32cd55688db580be0287ae0"
             ],
             "index": "pypi",
-            "version": "==4.1.2"
+            "version": "==4.2.0"
         },
         "sphinxcontrib-applehelp": {
             "hashes": [
@@ -1414,18 +1386,18 @@
         },
         "sphinxemoji": {
             "hashes": [
-                "sha256:3da5d1e33c0bc4fa9506420f02b73234868d10a1b243ee15ae2111f118a43f72"
+                "sha256:27861d1dd7c6570f5e63020dac9a687263f7481f6d5d6409eb31ecebcc804e4c"
             ],
             "index": "pypi",
-            "version": "==0.1.8"
+            "version": "==0.2.0"
         },
         "terminado": {
             "hashes": [
-                "sha256:89d5dac2f4e2b39758a0ff9a3b643707c95a020a6df36e70583b88297cd59cbe",
-                "sha256:c89ace5bffd0e7268bdcf22526830eb787fd146ff9d78691a0528386f92b9ae3"
+                "sha256:09fdde344324a1c9c6e610ee4ca165c4bb7f5bbf982fceeeb38998a988ef8452",
+                "sha256:b20fd93cc57c1678c799799d117874367cc07a3d2d55be95205b1a88fa08393f"
             ],
             "markers": "python_version >= '3.6'",
-            "version": "==0.10.1"
+            "version": "==0.12.1"
         },
         "testpath": {
             "hashes": [
@@ -1500,19 +1472,19 @@
         },
         "tqdm": {
             "hashes": [
-                "sha256:3642d483b558eec80d3c831e23953582c34d7e4540db86d9e5ed9dad238dabc6",
-                "sha256:706dea48ee05ba16e936ee91cb3791cd2ea6da348a0e50b46863ff4363ff4340"
+                "sha256:8dd278a422499cd6b727e6ae4061c40b48fce8b76d1ccbf5d34fca9b7f925b0c",
+                "sha256:d359de7217506c9851b7869f3708d8ee53ed70a1b8edbba4dbcb47442592920d"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==4.62.0"
+            "version": "==4.62.3"
         },
         "traitlets": {
             "hashes": [
-                "sha256:178f4ce988f69189f7e523337a3e11d91c786ded9360174a3d9ca83e79bc5396",
-                "sha256:69ff3f9d5351f31a7ad80443c2674b7099df13cc41fc5fa6e2f6d3b0330b0426"
+                "sha256:03f172516916220b58c9f19d7f854734136dd9528103d04e9bf139a92c9f54c4",
+                "sha256:bd382d7ea181fbbcce157c133db9a829ce06edffe097bcf3ab945b435452b46d"
             ],
             "markers": "python_version >= '3.7'",
-            "version": "==5.0.5"
+            "version": "==5.1.0"
         },
         "twine": {
             "hashes": [
@@ -1522,66 +1494,30 @@
             "index": "pypi",
             "version": "==3.4.2"
         },
-        "typed-ast": {
-            "hashes": [
-                "sha256:01ae5f73431d21eead5015997ab41afa53aa1fbe252f9da060be5dad2c730ace",
-                "sha256:067a74454df670dcaa4e59349a2e5c81e567d8d65458d480a5b3dfecec08c5ff",
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-                "sha256:1b3ead4a96c9101bef08f9f7d1217c096f31667617b58de957f690c92378b528",
-                "sha256:2068531575a125b87a41802130fa7e29f26c09a2833fea68d9a40cf33902eba6",
-                "sha256:209596a4ec71d990d71d5e0d312ac935d86930e6eecff6ccc7007fe54d703808",
-                "sha256:2c726c276d09fc5c414693a2de063f521052d9ea7c240ce553316f70656c84d4",
-                "sha256:398e44cd480f4d2b7ee8d98385ca104e35c81525dd98c519acff1b79bdaac363",
-                "sha256:52b1eb8c83f178ab787f3a4283f68258525f8d70f778a2f6dd54d3b5e5fb4341",
-                "sha256:5feca99c17af94057417d744607b82dd0a664fd5e4ca98061480fd8b14b18d04",
-                "sha256:7538e495704e2ccda9b234b82423a4038f324f3a10c43bc088a1636180f11a41",
-                "sha256:760ad187b1041a154f0e4d0f6aae3e40fdb51d6de16e5c99aedadd9246450e9e",
-                "sha256:777a26c84bea6cd934422ac2e3b78863a37017618b6e5c08f92ef69853e765d3",
-                "sha256:95431a26309a21874005845c21118c83991c63ea800dd44843e42a916aec5899",
-                "sha256:9ad2c92ec681e02baf81fdfa056fe0d818645efa9af1f1cd5fd6f1bd2bdfd805",
-                "sha256:9c6d1a54552b5330bc657b7ef0eae25d00ba7ffe85d9ea8ae6540d2197a3788c",
-                "sha256:aee0c1256be6c07bd3e1263ff920c325b59849dc95392a05f258bb9b259cf39c",
-                "sha256:af3d4a73793725138d6b334d9d247ce7e5f084d96284ed23f22ee626a7b88e39",
-                "sha256:b36b4f3920103a25e1d5d024d155c504080959582b928e91cb608a65c3a49e1a",
-                "sha256:b9574c6f03f685070d859e75c7f9eeca02d6933273b5e69572e5ff9d5e3931c3",
-                "sha256:bff6ad71c81b3bba8fa35f0f1921fb24ff4476235a6e94a26ada2e54370e6da7",
-                "sha256:c190f0899e9f9f8b6b7863debfb739abcb21a5c054f911ca3596d12b8a4c4c7f",
-                "sha256:c907f561b1e83e93fad565bac5ba9c22d96a54e7ea0267c708bffe863cbe4075",
-                "sha256:cae53c389825d3b46fb37538441f75d6aecc4174f615d048321b716df2757fb0",
-                "sha256:dd4a21253f42b8d2b48410cb31fe501d32f8b9fbeb1f55063ad102fe9c425e40",
-                "sha256:dde816ca9dac1d9c01dd504ea5967821606f02e510438120091b84e852367428",
-                "sha256:f2362f3cb0f3172c42938946dbc5b7843c2a28aec307c49100c8b38764eb6927",
-                "sha256:f328adcfebed9f11301eaedfa48e15bdece9b519fb27e6a8c01aa52a17ec31b3",
-                "sha256:f8afcf15cc511ada719a88e013cec87c11aff7b91f019295eb4530f96fe5ef2f",
-                "sha256:fb1bbeac803adea29cedd70781399c99138358c26d05fcbd23c13016b7f5ec65"
-            ],
-            "markers": "python_version < '3.8' and implementation_name == 'cpython'",
-            "version": "==1.4.3"
-        },
         "types-requests": {
             "hashes": [
-                "sha256:a5a305b43ea57bf64d6731f89816946a405b591eff6de28d4c0fd58422cee779",
-                "sha256:e21541c0f55c066c491a639309159556dd8c5833e49fcde929c4c47bdb0002ee"
+                "sha256:4ec8b71da73e5344adb9bee725a74ec8598e7286f9bcb17500d627f259fe4fb9",
+                "sha256:543ba8b3b23e38ac028da1d163aecbbc27d3cc8f654ae64339da539a191a2b1c"
             ],
             "index": "pypi",
-            "version": "==2.25.6"
+            "version": "==2.25.9"
         },
         "typing-extensions": {
             "hashes": [
-                "sha256:0ac0f89795dd19de6b97debb0c6af1c70987fd80a2d62d1958f7e56fcc31b497",
-                "sha256:50b6f157849174217d0656f99dc82fe932884fb250826c18350e159ec6cdf342",
-                "sha256:779383f6086d90c99ae41cf0ff39aac8a7937a9283ce0a414e5dd782f4c94a84"
+                "sha256:49f75d16ff11f1cd258e1b988ccff82a3ca5570217d7ad8c5f48205dd99a677e",
+                "sha256:d8226d10bc02a29bcc81df19a26e56a9647f8b0a6d4a83924139f4a8b01f17b7",
+                "sha256:f1d25edafde516b146ecd0613dabcc61409817af4766fbbcfb8d1ad4ec441a34"
             ],
             "markers": "python_version < '3.8'",
-            "version": "==3.10.0.0"
+            "version": "==3.10.0.2"
         },
         "urllib3": {
             "hashes": [
-                "sha256:39fb8672126159acb139a7718dd10806104dec1e2f0f6c88aab05d17df10c8d4",
-                "sha256:f57b4c16c62fa2760b7e3d97c35b255512fb6b59a259730f36ba32ce9f8e342f"
+                "sha256:4987c65554f7a2dbf30c18fd48778ef124af6fab771a377103da0585e2336ece",
+                "sha256:c4fdf4019605b6e5423637e01bc9fe4daef873709a7973e195ceba0a62bbc844"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
-            "version": "==1.26.6"
+            "version": "==1.26.7"
         },
         "wcwidth": {
             "hashes": [
@@ -1599,11 +1535,11 @@
         },
         "websocket-client": {
             "hashes": [
-                "sha256:7665ba6c645989b28b61670874ab753e6929179e9fc90565ace6ac090f59c559",
-                "sha256:d82a975bdd02216f7884cd18106a0d9896a9a9e8cc90f23fe8c81dc48da2f142"
+                "sha256:0133d2f784858e59959ce82ddac316634229da55b498aac311f1620567a710ec",
+                "sha256:8dfb715d8a992f5712fff8c843adae94e22b22a99b2c5e6b0ec4a1a981cc4e0d"
             ],
             "markers": "python_version >= '3.6'",
-            "version": "==1.2.0"
+            "version": "==1.2.1"
         },
         "wrapt": {
             "hashes": [
@@ -1613,11 +1549,11 @@
         },
         "zipp": {
             "hashes": [
-                "sha256:957cfda87797e389580cb8b9e3870841ca991e2125350677b2ca83a0e99390a3",
-                "sha256:f5812b1e007e48cff63449a5e9f4e7ebea716b4111f9c4f9a645f91d579bf0c4"
+                "sha256:71c644c5369f4a6e07636f0aa966270449561fcea2e3d6747b8d23efaa9d7832",
+                "sha256:9fe5ea21568a0a70e50f273397638d39b03353731e6cbbb3fd8502a33fec40bc"
             ],
             "markers": "python_version >= '3.6'",
-            "version": "==3.5.0"
+            "version": "==3.6.0"
         }
     }
 }
diff --git a/pyserum/market/async_market.py b/pyserum/market/async_market.py
index a67382d..c0d11f5 100644
--- a/pyserum/market/async_market.py
+++ b/pyserum/market/async_market.py
@@ -3,7 +3,7 @@
 
 from typing import List
 
-from solana.account import Account
+from solana.keypair import Keypair
 from solana.publickey import PublicKey
 from solana.rpc.async_api import AsyncClient
 from solana.rpc.types import RPCResponse, TxOpts
@@ -91,7 +91,7 @@ async def load_fills(self, limit=100) -> List[t.FilledOrder]:
     async def place_order(  # pylint: disable=too-many-arguments,too-many-locals
         self,
         payer: PublicKey,
-        owner: Account,
+        owner: Keypair,
         order_type: OrderType,
         side: Side,
         limit_price: float,
@@ -100,8 +100,8 @@ async def place_order(  # pylint: disable=too-many-arguments,too-many-locals
         opts: TxOpts = TxOpts(),
     ) -> RPCResponse:  # TODO: Add open_orders_address_key param and fee_discount_pubkey
         transaction = Transaction()
-        signers: List[Account] = [owner]
-        open_order_accounts = await self.find_open_orders_accounts_for_owner(owner.public_key())
+        signers: List[Keypair] = [owner]
+        open_order_accounts = await self.find_open_orders_accounts_for_owner(owner.public_key)
         if open_order_accounts:
             place_order_open_order_account = open_order_accounts[0].address
         else:
@@ -128,24 +128,24 @@ async def place_order(  # pylint: disable=too-many-arguments,too-many-locals
         return await self._conn.send_transaction(transaction, *signers, opts=opts)
 
     async def cancel_order_by_client_id(
-        self, owner: Account, open_orders_account: PublicKey, client_id: int, opts: TxOpts = TxOpts()
+        self, owner: Keypair, open_orders_account: PublicKey, client_id: int, opts: TxOpts = TxOpts()
     ) -> RPCResponse:
         txs = self._build_cancel_order_by_client_id_tx(
             owner=owner, open_orders_account=open_orders_account, client_id=client_id
         )
         return await self._conn.send_transaction(txs, owner, opts=opts)
 
-    async def cancel_order(self, owner: Account, order: t.Order, opts: TxOpts = TxOpts()) -> RPCResponse:
+    async def cancel_order(self, owner: Keypair, order: t.Order, opts: TxOpts = TxOpts()) -> RPCResponse:
         txn = self._build_cancel_order_tx(owner=owner, order=order)
         return await self._conn.send_transaction(txn, owner, opts=opts)
 
-    async def match_orders(self, fee_payer: Account, limit: int, opts: TxOpts = TxOpts()) -> RPCResponse:
+    async def match_orders(self, fee_payer: Keypair, limit: int, opts: TxOpts = TxOpts()) -> RPCResponse:
         txn = self._build_match_orders_tx(limit)
         return await self._conn.send_transaction(txn, fee_payer, opts=opts)
 
     async def settle_funds(  # pylint: disable=too-many-arguments
         self,
-        owner: Account,
+        owner: Keypair,
         open_orders: AsyncOpenOrdersAccount,
         base_wallet: PublicKey,
         quote_wallet: PublicKey,  # TODO: add referrer_quote_wallet.
diff --git a/pyserum/market/core.py b/pyserum/market/core.py
index 5498ba1..d85efe0 100644
--- a/pyserum/market/core.py
+++ b/pyserum/market/core.py
@@ -5,7 +5,7 @@
 import logging
 from typing import List, Union
 
-from solana.account import Account
+from solana.keypair import Keypair
 from solana.publickey import PublicKey
 from solana.rpc.types import RPCResponse
 from solana.system_program import CreateAccountParams, create_account
@@ -115,14 +115,15 @@ def parse_fill_event(self, event: t.Event) -> t.FilledOrder:
         )
 
     def _prepare_new_oo_account(
-        self, owner: Account, balance_needed: int, signers: List[Account], transaction: Transaction
+        self, owner: Keypair, balance_needed: int, signers: List[Keypair], transaction: Transaction
     ) -> PublicKey:
-        new_open_orders_account = Account()
-        place_order_open_order_account = new_open_orders_account.public_key()
+        # new_open_orders_account = Account()
+        new_open_orders_account = Keypair()
+        place_order_open_order_account = new_open_orders_account.public_key
         transaction.add(
             make_create_account_instruction(
-                owner_address=owner.public_key(),
-                new_account_address=new_open_orders_account.public_key(),
+                owner_address=owner.public_key,
+                new_account_address=new_open_orders_account.public_key,
                 lamports=balance_needed,
                 program_id=self.state.program_id(),
             )
@@ -134,10 +135,10 @@ def _prepare_order_transaction(  # pylint: disable=too-many-arguments,too-many-l
         self,
         transaction: Transaction,
         payer: PublicKey,
-        owner: Account,
+        owner: Keypair,
         order_type: OrderType,
         side: Side,
-        signers: List[Account],
+        signers: List[Keypair],
         limit_price: float,
         max_quantity: float,
         client_id: int,
@@ -145,7 +146,7 @@ def _prepare_order_transaction(  # pylint: disable=too-many-arguments,too-many-l
         place_order_open_order_account: PublicKey,
     ) -> None:
         # unwrapped SOL cannot be used for payment
-        if payer == owner.public_key():
+        if payer == owner.public_key:
             raise ValueError("Invalid payer account. Cannot use unwrapped SOL.")
 
         # TODO: add integration test for SOL wrapping.
@@ -154,14 +155,15 @@ def _prepare_order_transaction(  # pylint: disable=too-many-arguments,too-many-l
         )
 
         if should_wrap_sol:
-            wrapped_sol_account = Account()
-            payer = wrapped_sol_account.public_key()
+            # wrapped_sol_account = Account()
+            wrapped_sol_account = Keypair()
+            payer = wrapped_sol_account.public_key
             signers.append(wrapped_sol_account)
             transaction.add(
                 create_account(
                     CreateAccountParams(
-                        from_pubkey=owner.public_key(),
-                        new_account_pubkey=wrapped_sol_account.public_key(),
+                        from_pubkey=owner.public_key,
+                        new_account_pubkey=wrapped_sol_account.public_key,
                         lamports=self._get_lamport_need_for_sol_wrapping(
                             limit_price, max_quantity, side, open_order_accounts
                         ),
@@ -173,9 +175,9 @@ def _prepare_order_transaction(  # pylint: disable=too-many-arguments,too-many-l
             transaction.add(
                 initialize_account(
                     InitializeAccountParams(
-                        account=wrapped_sol_account.public_key(),
+                        account=wrapped_sol_account.public_key,
                         mint=WRAPPED_SOL_MINT,
-                        owner=owner.public_key(),
+                        owner=owner.public_key,
                         program_id=TOKEN_PROGRAM_ID,
                     )
                 )
@@ -198,16 +200,16 @@ def _prepare_order_transaction(  # pylint: disable=too-many-arguments,too-many-l
             transaction.add(
                 close_account(
                     CloseAccountParams(
-                        account=wrapped_sol_account.public_key(),
-                        owner=owner.public_key(),
-                        dest=owner.public_key(),
+                        account=wrapped_sol_account.public_key,
+                        owner=owner.public_key,
+                        dest=owner.public_key,
                         program_id=TOKEN_PROGRAM_ID,
                     )
                 )
             )
 
     def _after_oo_mbfre_resp(
-        self, mbfre_resp: RPCResponse, owner: Account, signers: List[Account], transaction: Transaction
+        self, mbfre_resp: RPCResponse, owner: Keypair, signers: List[Keypair], transaction: Transaction
     ) -> PublicKey:
         balance_needed = mbfre_resp["result"]
         place_order_open_order_account = self._prepare_new_oo_account(owner, balance_needed, signers, transaction)
@@ -235,7 +237,7 @@ def _get_lamport_need_for_sol_wrapping(
     def make_place_order_instruction(  # pylint: disable=too-many-arguments
         self,
         payer: PublicKey,
-        owner: Account,
+        owner: Keypair,
         order_type: OrderType,
         side: Side,
         limit_price: float,
@@ -254,7 +256,7 @@ def make_place_order_instruction(  # pylint: disable=too-many-arguments
                     market=self.state.public_key(),
                     open_orders=open_order_account,
                     payer=payer,
-                    owner=owner.public_key(),
+                    owner=owner.public_key,
                     request_queue=self.state.request_queue(),
                     base_vault=self.state.base_vault(),
                     quote_vault=self.state.quote_vault(),
@@ -271,7 +273,7 @@ def make_place_order_instruction(  # pylint: disable=too-many-arguments
                 market=self.state.public_key(),
                 open_orders=open_order_account,
                 payer=payer,
-                owner=owner.public_key(),
+                owner=owner.public_key,
                 request_queue=self.state.request_queue(),
                 event_queue=self.state.event_queue(),
                 bids=self.state.bids(),
@@ -294,18 +296,18 @@ def make_place_order_instruction(  # pylint: disable=too-many-arguments
         )
 
     def _build_cancel_order_by_client_id_tx(
-        self, owner: Account, open_orders_account: PublicKey, client_id: int
+        self, owner: Keypair, open_orders_account: PublicKey, client_id: int
     ) -> Transaction:
         return Transaction().add(self.make_cancel_order_by_client_id_instruction(owner, open_orders_account, client_id))
 
     def make_cancel_order_by_client_id_instruction(
-        self, owner: Account, open_orders_account: PublicKey, client_id: int
+        self, owner: Keypair, open_orders_account: PublicKey, client_id: int
     ) -> TransactionInstruction:
         if self._use_request_queue():
             return instructions.cancel_order_by_client_id(
                 instructions.CancelOrderByClientIDParams(
                     market=self.state.public_key(),
-                    owner=owner.public_key(),
+                    owner=owner.public_key,
                     open_orders=open_orders_account,
                     request_queue=self.state.request_queue(),
                     client_id=client_id,
@@ -315,7 +317,7 @@ def make_cancel_order_by_client_id_instruction(
         return instructions.cancel_order_by_client_id_v2(
             instructions.CancelOrderByClientIDV2Params(
                 market=self.state.public_key(),
-                owner=owner.public_key(),
+                owner=owner.public_key,
                 open_orders=open_orders_account,
                 bids=self.state.bids(),
                 asks=self.state.asks(),
@@ -325,8 +327,8 @@ def make_cancel_order_by_client_id_instruction(
             )
         )
 
-    def _build_cancel_order_tx(self, owner: Account, order: t.Order) -> Transaction:
-        return Transaction().add(self.make_cancel_order_instruction(owner.public_key(), order))
+    def _build_cancel_order_tx(self, owner: Keypair, order: t.Order) -> Transaction:
+        return Transaction().add(self.make_cancel_order_instruction(owner.public_key, order))
 
     def make_cancel_order_instruction(self, owner: PublicKey, order: t.Order) -> TransactionInstruction:
         if self._use_request_queue():
@@ -376,8 +378,8 @@ def make_match_orders_instruction(self, limit: int) -> TransactionInstruction:
 
     def _build_settle_funds_tx(  # pylint: disable=too-many-arguments
         self,
-        owner: Account,
-        signers: List[Account],
+        owner: Keypair,
+        signers: List[Keypair],
         open_orders: Union[OpenOrdersAccount, AsyncOpenOrdersAccount],
         base_wallet: PublicKey,
         quote_wallet: PublicKey,  # TODO: add referrer_quote_wallet.
@@ -385,7 +387,7 @@ def _build_settle_funds_tx(  # pylint: disable=too-many-arguments
         should_wrap_sol: bool,
     ) -> Transaction:
         # TODO: Handle wrapped sol accounts
-        if open_orders.owner != owner.public_key():
+        if open_orders.owner != owner.public_key:
             raise Exception("Invalid open orders account")
         vault_signer = PublicKey.create_program_address(
             [bytes(self.state.public_key()), self.state.vault_signer_nonce().to_bytes(8, byteorder="little")],
@@ -394,15 +396,15 @@ def _build_settle_funds_tx(  # pylint: disable=too-many-arguments
         transaction = Transaction()
 
         if should_wrap_sol:
-            wrapped_sol_account = Account()
+            wrapped_sol_account = Keypair()
             signers.append(wrapped_sol_account)
             # make a wrapped SOL account with enough balance to
             # fund the trade, run the program, then send itself back home
             transaction.add(
                 create_account(
                     CreateAccountParams(
-                        from_pubkey=owner.public_key(),
-                        new_account_pubkey=wrapped_sol_account.public_key(),
+                        from_pubkey=owner.public_key,
+                        new_account_pubkey=wrapped_sol_account.public_key,
                         lamports=min_bal_for_rent_exemption,
                         space=ACCOUNT_LEN,
                         program_id=TOKEN_PROGRAM_ID,
@@ -413,9 +415,9 @@ def _build_settle_funds_tx(  # pylint: disable=too-many-arguments
             transaction.add(
                 initialize_account(
                     InitializeAccountParams(
-                        account=wrapped_sol_account.public_key(),
+                        account=wrapped_sol_account.public_key,
                         mint=WRAPPED_SOL_MINT,
-                        owner=owner.public_key(),
+                        owner=owner.public_key,
                         program_id=TOKEN_PROGRAM_ID,
                     )
                 )
@@ -424,8 +426,8 @@ def _build_settle_funds_tx(  # pylint: disable=too-many-arguments
         transaction.add(
             self.make_settle_funds_instruction(
                 open_orders,
-                base_wallet if self.state.base_mint() != WRAPPED_SOL_MINT else wrapped_sol_account.public_key(),
-                quote_wallet if self.state.quote_mint() != WRAPPED_SOL_MINT else wrapped_sol_account.public_key(),
+                base_wallet if self.state.base_mint() != WRAPPED_SOL_MINT else wrapped_sol_account.public_key,
+                quote_wallet if self.state.quote_mint() != WRAPPED_SOL_MINT else wrapped_sol_account.public_key,
                 vault_signer,
             )
         )
@@ -435,9 +437,9 @@ def _build_settle_funds_tx(  # pylint: disable=too-many-arguments
             transaction.add(
                 close_account(
                     CloseAccountParams(
-                        account=wrapped_sol_account.public_key(),
-                        owner=owner.public_key(),
-                        dest=owner.public_key(),
+                        account=wrapped_sol_account.public_key,
+                        owner=owner.public_key,
+                        dest=owner.public_key,
                         program_id=TOKEN_PROGRAM_ID,
                     )
                 )
diff --git a/pyserum/market/market.py b/pyserum/market/market.py
index 1a66ce0..b588924 100644
--- a/pyserum/market/market.py
+++ b/pyserum/market/market.py
@@ -3,7 +3,7 @@
 
 from typing import List
 
-from solana.account import Account
+from solana.keypair import Keypair
 from solana.publickey import PublicKey
 from solana.rpc.api import Client
 from solana.rpc.types import RPCResponse, TxOpts
@@ -91,7 +91,7 @@ def load_fills(self, limit=100) -> List[t.FilledOrder]:
     def place_order(  # pylint: disable=too-many-arguments,too-many-locals
         self,
         payer: PublicKey,
-        owner: Account,
+        owner: Keypair,
         order_type: OrderType,
         side: Side,
         limit_price: float,
@@ -100,8 +100,8 @@ def place_order(  # pylint: disable=too-many-arguments,too-many-locals
         opts: TxOpts = TxOpts(),
     ) -> RPCResponse:  # TODO: Add open_orders_address_key param and fee_discount_pubkey
         transaction = Transaction()
-        signers: List[Account] = [owner]
-        open_order_accounts = self.find_open_orders_accounts_for_owner(owner.public_key())
+        signers: List[Keypair] = [owner]
+        open_order_accounts = self.find_open_orders_accounts_for_owner(owner.public_key)
         if open_order_accounts:
             place_order_open_order_account = open_order_accounts[0].address
         else:
@@ -128,24 +128,24 @@ def place_order(  # pylint: disable=too-many-arguments,too-many-locals
         return self._conn.send_transaction(transaction, *signers, opts=opts)
 
     def cancel_order_by_client_id(
-        self, owner: Account, open_orders_account: PublicKey, client_id: int, opts: TxOpts = TxOpts()
+        self, owner: Keypair, open_orders_account: PublicKey, client_id: int, opts: TxOpts = TxOpts()
     ) -> RPCResponse:
         txs = self._build_cancel_order_by_client_id_tx(
             owner=owner, open_orders_account=open_orders_account, client_id=client_id
         )
         return self._conn.send_transaction(txs, owner, opts=opts)
 
-    def cancel_order(self, owner: Account, order: t.Order, opts: TxOpts = TxOpts()) -> RPCResponse:
+    def cancel_order(self, owner: Keypair, order: t.Order, opts: TxOpts = TxOpts()) -> RPCResponse:
         txn = self._build_cancel_order_tx(owner=owner, order=order)
         return self._conn.send_transaction(txn, owner, opts=opts)
 
-    def match_orders(self, fee_payer: Account, limit: int, opts: TxOpts = TxOpts()) -> RPCResponse:
+    def match_orders(self, fee_payer: Keypair, limit: int, opts: TxOpts = TxOpts()) -> RPCResponse:
         txn = self._build_match_orders_tx(limit)
         return self._conn.send_transaction(txn, fee_payer, opts=opts)
 
     def settle_funds(  # pylint: disable=too-many-arguments
         self,
-        owner: Account,
+        owner: Keypair,
         open_orders: OpenOrdersAccount,
         base_wallet: PublicKey,
         quote_wallet: PublicKey,  # TODO: add referrer_quote_wallet.
@@ -166,4 +166,4 @@ def settle_funds(  # pylint: disable=too-many-arguments
             min_bal_for_rent_exemption=min_bal_for_rent_exemption,
             should_wrap_sol=should_wrap_sol,
         )
-        return self._conn.send_transaction(transaction, *signers, opts=opts)
+        return self._conn.send_transaction(transaction, owner, opts=opts)
diff --git a/tests/conftest.py b/tests/conftest.py
index 413ff27..f532d4d 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -2,7 +2,7 @@
 import asyncio
 
 import pytest
-from solana.account import Account
+from solana.keypair import Keypair
 from solana.publickey import PublicKey
 from solana.rpc.api import Client
 from solana.rpc.async_api import AsyncClient
@@ -26,11 +26,12 @@ def __bs_params() -> Dict[str, str]:
     return params
 
 
-def __bootstrap_account(pubkey: str, secretkey: str) -> Account:
+def __bootstrap_account(pubkey: str, secretkey: str) -> Keypair:
     secret = [int(b) for b in secretkey[1:-1].split(" ")]
-    account = Account(secret)
-    assert str(account.public_key()) == pubkey, "account must map to provided public key"
-    return account
+    secret_bytes = bytes(secret)
+    keypair = Keypair.from_secret_key(secret_bytes)
+    assert str(keypair.public_key) == pubkey, "account must map to provided public key"
+    return keypair
 
 
 @pytest.mark.integration
@@ -42,35 +43,35 @@ def stubbed_dex_program_pk(__bs_params) -> PublicKey:
 
 @pytest.mark.integration
 @pytest.fixture(scope="session")
-def stubbed_payer(__bs_params) -> Account:
+def stubbed_payer(__bs_params) -> Keypair:
     """Bootstrapped payer account."""
     return __bootstrap_account(__bs_params["payer"], __bs_params["payer_secret"])
 
 
 @pytest.mark.integration
 @pytest.fixture(scope="session")
-def stubbed_base_mint(__bs_params) -> Account:
+def stubbed_base_mint(__bs_params) -> Keypair:
     """Bootstrapped base mint account."""
     return __bootstrap_account(__bs_params["coin_mint"], __bs_params["coin_mint_secret"])
 
 
 @pytest.mark.integration
 @pytest.fixture(scope="session")
-def stubbed_quote_mint(__bs_params) -> Account:
+def stubbed_quote_mint(__bs_params) -> Keypair:
     """Bootstrapped quote mint account."""
     return __bootstrap_account(__bs_params["pc_mint"], __bs_params["pc_mint_secret"])
 
 
 @pytest.mark.integration
 @pytest.fixture(scope="session")
-def stubbed_base_wallet(__bs_params) -> Account:
+def stubbed_base_wallet(__bs_params) -> Keypair:
     """Bootstrapped base mint account."""
     return __bootstrap_account(__bs_params["coin_wallet"], __bs_params["coin_wallet_secret"])
 
 
 @pytest.mark.integration
 @pytest.fixture(scope="session")
-def stubbed_quote_wallet(__bs_params) -> Account:
+def stubbed_quote_wallet(__bs_params) -> Keypair:
     """Bootstrapped quote mint account."""
     return __bootstrap_account(__bs_params["pc_wallet"], __bs_params["pc_wallet_secret"])
 
diff --git a/tests/integration/test_async_market.py b/tests/integration/test_async_market.py
index aff09c9..34124e6 100644
--- a/tests/integration/test_async_market.py
+++ b/tests/integration/test_async_market.py
@@ -1,7 +1,7 @@
 # pylint: disable=redefined-outer-name
 
 import pytest
-from solana.account import Account
+from solana.keypair import Keypair
 from solana.publickey import PublicKey
 from solana.rpc.async_api import AsyncClient
 from solana.rpc.types import TxOpts
@@ -26,14 +26,14 @@ async def test_bootstrapped_market(
     bootstrapped_market: AsyncMarket,
     stubbed_market_pk: PublicKey,
     stubbed_dex_program_pk: PublicKey,
-    stubbed_base_mint: PublicKey,
-    stubbed_quote_mint: PublicKey,
+    stubbed_base_mint: Keypair,
+    stubbed_quote_mint: Keypair,
 ):
     assert isinstance(bootstrapped_market, AsyncMarket)
     assert bootstrapped_market.state.public_key() == stubbed_market_pk
     assert bootstrapped_market.state.program_id() == stubbed_dex_program_pk
-    assert bootstrapped_market.state.base_mint() == stubbed_base_mint.public_key()
-    assert bootstrapped_market.state.quote_mint() == stubbed_quote_mint.public_key()
+    assert bootstrapped_market.state.base_mint() == stubbed_base_mint.public_key
+    assert bootstrapped_market.state.quote_mint() == stubbed_quote_mint.public_key
 
 
 @pytest.mark.async_integration
@@ -69,7 +69,7 @@ async def test_market_load_requests(bootstrapped_market: AsyncMarket):
 
 @pytest.mark.async_integration
 @pytest.mark.asyncio
-async def test_match_order(bootstrapped_market: AsyncMarket, stubbed_payer: Account):
+async def test_match_order(bootstrapped_market: AsyncMarket, stubbed_payer: Keypair):
     await bootstrapped_market.match_orders(stubbed_payer, 2, TxOpts(skip_confirmation=False))
 
     request_queue = await bootstrapped_market.load_request_queue()
@@ -93,11 +93,11 @@ async def test_match_order(bootstrapped_market: AsyncMarket, stubbed_payer: Acco
 @pytest.mark.asyncio
 async def test_settle_fund(
     bootstrapped_market: AsyncMarket,
-    stubbed_payer: Account,
-    stubbed_quote_wallet: Account,
-    stubbed_base_wallet: Account,
+    stubbed_payer: Keypair,
+    stubbed_quote_wallet: Keypair,
+    stubbed_base_wallet: Keypair,
 ):
-    open_order_accounts = await bootstrapped_market.find_open_orders_accounts_for_owner(stubbed_payer.public_key())
+    open_order_accounts = await bootstrapped_market.find_open_orders_accounts_for_owner(stubbed_payer.public_key)
 
     with pytest.raises(ValueError):
         # Should not allow base_wallet to be base_vault
@@ -105,7 +105,7 @@ async def test_settle_fund(
             stubbed_payer,
             open_order_accounts[0],
             bootstrapped_market.state.base_vault(),
-            stubbed_quote_wallet.public_key(),
+            stubbed_quote_wallet.public_key,
         )
 
     with pytest.raises(ValueError):
@@ -113,7 +113,7 @@ async def test_settle_fund(
         await bootstrapped_market.settle_funds(
             stubbed_payer,
             open_order_accounts[0],
-            stubbed_base_wallet.public_key(),
+            stubbed_base_wallet.public_key,
             bootstrapped_market.state.quote_vault(),
         )
 
@@ -121,8 +121,8 @@ async def test_settle_fund(
         assert "error" not in await bootstrapped_market.settle_funds(
             stubbed_payer,
             open_order_account,
-            stubbed_base_wallet.public_key(),
-            stubbed_quote_wallet.public_key(),
+            stubbed_base_wallet.public_key,
+            stubbed_quote_wallet.public_key,
             opts=TxOpts(skip_confirmation=False),
         )
 
@@ -133,13 +133,13 @@ async def test_settle_fund(
 @pytest.mark.asyncio
 async def test_order_placement_cancellation_cycle(
     bootstrapped_market: AsyncMarket,
-    stubbed_payer: Account,
-    stubbed_quote_wallet: Account,
-    stubbed_base_wallet: Account,
+    stubbed_payer: Keypair,
+    stubbed_quote_wallet: Keypair,
+    stubbed_base_wallet: Keypair,
 ):
     initial_request_len = len(await bootstrapped_market.load_request_queue())
     await bootstrapped_market.place_order(
-        payer=stubbed_quote_wallet.public_key(),
+        payer=stubbed_quote_wallet.public_key,
         owner=stubbed_payer,
         side=Side.BUY,
         order_type=OrderType.LIMIT,
@@ -161,7 +161,7 @@ async def test_order_placement_cancellation_cycle(
     assert sum(1 for _ in asks) == 0
 
     await bootstrapped_market.place_order(
-        payer=stubbed_base_wallet.public_key(),
+        payer=stubbed_base_wallet.public_key,
         owner=stubbed_payer,
         side=Side.SELL,
         order_type=OrderType.LIMIT,
diff --git a/tests/integration/test_bootstrap.py b/tests/integration/test_bootstrap.py
index 7feaef2..a23b12a 100644
--- a/tests/integration/test_bootstrap.py
+++ b/tests/integration/test_bootstrap.py
@@ -1,21 +1,23 @@
 import pytest
-from solana.account import Account
+
+# from solana.account import Keypair
+from solana.keypair import Keypair
 from solana.publickey import PublicKey
 
 
 @pytest.mark.integration
 def test_payer(stubbed_payer):
-    assert isinstance(stubbed_payer, Account)
+    assert isinstance(stubbed_payer, Keypair)
 
 
 @pytest.mark.integration
 def test_base_mint(stubbed_base_mint):
-    assert isinstance(stubbed_base_mint, Account)
+    assert isinstance(stubbed_base_mint, Keypair)
 
 
 @pytest.mark.integration
 def test_base_wallet(stubbed_base_wallet):
-    assert isinstance(stubbed_base_wallet, Account)
+    assert isinstance(stubbed_base_wallet, Keypair)
 
 
 @pytest.mark.integration
@@ -25,12 +27,12 @@ def test_base_vault_pk(stubbed_base_vault_pk):
 
 @pytest.mark.integration
 def test_quote_mint(stubbed_quote_mint):
-    assert isinstance(stubbed_quote_mint, Account)
+    assert isinstance(stubbed_quote_mint, Keypair)
 
 
 @pytest.mark.integration
 def test_quote_wallet(stubbed_quote_wallet):
-    assert isinstance(stubbed_quote_wallet, Account)
+    assert isinstance(stubbed_quote_wallet, Keypair)
 
 
 @pytest.mark.integration
diff --git a/tests/integration/test_market.py b/tests/integration/test_market.py
index 6d61905..db2426d 100644
--- a/tests/integration/test_market.py
+++ b/tests/integration/test_market.py
@@ -1,7 +1,7 @@
 # pylint: disable=redefined-outer-name
 
 import pytest
-from solana.account import Account
+from solana.keypair import Keypair
 from solana.publickey import PublicKey
 from solana.rpc.api import Client
 from solana.rpc.types import TxOpts
@@ -21,14 +21,14 @@ def test_bootstrapped_market(
     bootstrapped_market: Market,
     stubbed_market_pk: PublicKey,
     stubbed_dex_program_pk: PublicKey,
-    stubbed_base_mint: PublicKey,
-    stubbed_quote_mint: PublicKey,
+    stubbed_base_mint: Keypair,
+    stubbed_quote_mint: Keypair,
 ):
     assert isinstance(bootstrapped_market, Market)
     assert bootstrapped_market.state.public_key() == stubbed_market_pk
     assert bootstrapped_market.state.program_id() == stubbed_dex_program_pk
-    assert bootstrapped_market.state.base_mint() == stubbed_base_mint.public_key()
-    assert bootstrapped_market.state.quote_mint() == stubbed_quote_mint.public_key()
+    assert bootstrapped_market.state.base_mint() == stubbed_base_mint.public_key
+    assert bootstrapped_market.state.quote_mint() == stubbed_quote_mint.public_key
 
 
 @pytest.mark.integration
@@ -59,7 +59,7 @@ def test_market_load_requests(bootstrapped_market: Market):
 
 
 @pytest.mark.integration
-def test_match_order(bootstrapped_market: Market, stubbed_payer: Account):
+def test_match_order(bootstrapped_market: Market, stubbed_payer: Keypair):
     bootstrapped_market.match_orders(stubbed_payer, 2, TxOpts(skip_confirmation=False))
 
     request_queue = bootstrapped_market.load_request_queue()
@@ -82,11 +82,11 @@ def test_match_order(bootstrapped_market: Market, stubbed_payer: Account):
 @pytest.mark.integration
 def test_settle_fund(
     bootstrapped_market: Market,
-    stubbed_payer: Account,
-    stubbed_quote_wallet: Account,
-    stubbed_base_wallet: Account,
+    stubbed_payer: Keypair,
+    stubbed_quote_wallet: Keypair,
+    stubbed_base_wallet: Keypair,
 ):
-    open_order_accounts = bootstrapped_market.find_open_orders_accounts_for_owner(stubbed_payer.public_key())
+    open_order_accounts = bootstrapped_market.find_open_orders_accounts_for_owner(stubbed_payer.public_key)
 
     with pytest.raises(ValueError):
         # Should not allow base_wallet to be base_vault
@@ -94,7 +94,7 @@ def test_settle_fund(
             stubbed_payer,
             open_order_accounts[0],
             bootstrapped_market.state.base_vault(),
-            stubbed_quote_wallet.public_key(),
+            stubbed_quote_wallet.public_key,
         )
 
     with pytest.raises(ValueError):
@@ -102,7 +102,7 @@ def test_settle_fund(
         bootstrapped_market.settle_funds(
             stubbed_payer,
             open_order_accounts[0],
-            stubbed_base_wallet.public_key(),
+            stubbed_base_wallet.public_key,
             bootstrapped_market.state.quote_vault(),
         )
 
@@ -110,8 +110,8 @@ def test_settle_fund(
         assert "error" not in bootstrapped_market.settle_funds(
             stubbed_payer,
             open_order_account,
-            stubbed_base_wallet.public_key(),
-            stubbed_quote_wallet.public_key(),
+            stubbed_base_wallet.public_key,
+            stubbed_quote_wallet.public_key,
             opts=TxOpts(skip_confirmation=False),
         )
 
@@ -121,13 +121,13 @@ def test_settle_fund(
 @pytest.mark.integration
 def test_order_placement_cancellation_cycle(
     bootstrapped_market: Market,
-    stubbed_payer: Account,
-    stubbed_quote_wallet: Account,
-    stubbed_base_wallet: Account,
+    stubbed_payer: Keypair,
+    stubbed_quote_wallet: Keypair,
+    stubbed_base_wallet: Keypair,
 ):
     initial_request_len = len(bootstrapped_market.load_request_queue())
     bootstrapped_market.place_order(
-        payer=stubbed_quote_wallet.public_key(),
+        payer=stubbed_quote_wallet.public_key,
         owner=stubbed_payer,
         side=Side.BUY,
         order_type=OrderType.LIMIT,
@@ -149,7 +149,7 @@ def test_order_placement_cancellation_cycle(
     assert sum(1 for _ in asks) == 0
 
     bootstrapped_market.place_order(
-        payer=stubbed_base_wallet.public_key(),
+        payer=stubbed_base_wallet.public_key,
         owner=stubbed_payer,
         side=Side.SELL,
         order_type=OrderType.LIMIT,