Add env var to force using legacy txs w/ EVMs

LedgerHQ · Oct 25, 2024 · d7a26a4 · d7a26a4
1 parent fb25d72
commit d7a26a4
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Showing 3 changed files with 10 additions and 2 deletions.
diff --git a/libs/coin-modules/coin-evm/src/api/node/ledger.ts b/libs/coin-modules/coin-evm/src/api/node/ledger.ts
@@ -244,7 +244,7 @@ export const getFeeData: NodeApi["getFeeData"] = async (currency, transaction) =
      * cf. libs/coin-evm/src/createTransaction.ts:23
      */
     options: {
-      useEIP1559: transaction.type === 2,
+      useEIP1559: getEnv("EVM_FORCE_LEGACY_TRANSACTIONS") ? false : transaction.type === 2,
       overrideGasTracker: { type: "ledger", explorerId: node.explorerId },
     },
   });

diff --git a/libs/coin-modules/coin-evm/src/api/node/rpc.common.ts b/libs/coin-modules/coin-evm/src/api/node/rpc.common.ts
@@ -2,6 +2,7 @@
 import { ethers } from "ethers";
 import BigNumber from "bignumber.js";
 import { log } from "@ledgerhq/logs";
+import { getEnv } from "@ledgerhq/live-env";
 import { delay } from "@ledgerhq/live-promise";
 import { CryptoCurrency } from "@ledgerhq/types-cryptoassets";
 import { makeLRUCache } from "@ledgerhq/live-network/cache";
@@ -151,7 +152,9 @@ export const getGasEstimation: NodeApi["getGasEstimation"] = (account, transacti
 export const getFeeData: NodeApi["getFeeData"] = currency =>
   withApi(currency, async api => {
     const block = await api.getBlock("latest");
-    const currencySupports1559 = Boolean(block.baseFeePerGas);
+    const currencySupports1559 = getEnv("EVM_FORCE_LEGACY_TRANSACTIONS")
+      ? false
+      : Boolean(block.baseFeePerGas);
 
     const feeData = await (async (): Promise<
       | {

diff --git a/libs/env/src/env.ts b/libs/env/src/env.ts
@@ -828,6 +828,11 @@ const envDefinitions = {
     parser: floatParser,
     desc: "Replace transaction max priority fee factor for EIP1559 evm transaction. This value should be 1.1 minimum since this is the minimum increase required by most nodes",
   },
+  EVM_FORCE_LEGACY_TRANSACTIONS: {
+    def: false,
+    parser: boolParser,
+    desc: "Force transaction type 0 on EVM networks",
+  },
   ENABLE_NETWORK_LOGS: {
     def: false,
     parser: boolParser,