ethereum.homestead

The Homestead fork increases the gas cost of creating contracts, restricts the range of valid ECDSA signatures for transactions (but not precompiles), tweaks the behavior of contract creation with insufficient gas, delays the difficulty bomb, and adds an improved delegate call EVM instruction.

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 1"""
 2The Homestead fork increases the gas cost of creating contracts, restricts the
 3range of valid ECDSA signatures for transactions (but not precompiles), tweaks
 4the behavior of contract creation with insufficient gas, delays the
 5difficulty bomb, and adds an improved delegate call EVM instruction.
 6"""
 7
 8from ethereum.fork_criteria import ByBlockNumber
 9
10FORK_CRITERIA = ByBlockNumber(1150000)