generate_state.py

from sktest import *
from sktest_helpers import *
import time
import sys

global storage_size
storage_size = int(sys.argv[1])

ch = create_default_chain(num_nodes=1, num_accounts=2)
ch.start()

eth = ch.nodes[0].eth

#pragma solidity >=0.4.10 <0.7.0;
#
#
#contract StorageFiller{
#    
#    mapping (bytes32 => bytes32) public store;
#    
#    fallback() external payable {
#        uint n = msg.value;
#        for(uint32 i=0; i<n; ++i){
#            bytes32 v = keccak256(abi.encodePacked(block.number)) ^ keccak256(abi.encodePacked(i));
#            store[v] = v;
#        }// for
#        
#    }// fallback
#}

bytecode = "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"

raw_deploy = ch.transaction_obj(gas=180000, data=bytecode, value=0, to="")
deploy_hash = eth.sendRawTransaction(raw_deploy)
deploy_receipt = None
while not deploy_receipt:
    try:
        deploy_receipt = eth.getTransactionReceipt(deploy_hash)
    except:
        pass
    time.sleep(0.1)

print(str(deploy_receipt))

contractAddress = deploy_receipt["contractAddress"]
print(f"contractAddress={contractAddress}")
code = eth.getCode(contractAddress)
print(f"code={code}")

CHUNK_SIZE=1024*1024
nchunks = (storage_size + CHUNK_SIZE - 1) // CHUNK_SIZE

for i in range (nchunks):
  raw_call = ch.transaction_obj(gas=181000 + CHUNK_SIZE * 99000, to=contractAddress, value=CHUNK_SIZE)
  call_hash = eth.sendRawTransaction(raw_call)
  call_receipt = None
  while not call_receipt:
      try:
          call_receipt = eth.getTransactionReceipt(call_hash)
      except:
          pass
      time.sleep(0.1)
  print(str(call_receipt))
  print(f"i = {i} of {nchunks}")

print(f"Filled {nchunks * CHUNK_SIZE} elements")

print('Stopping')
ch.stop()
print("Stopped")