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core/vm: use uint256 in EVM implementation (#20787)

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* core/vm: use fixed uint256 library instead of big

* core/vm: remove intpools

* core/vm: upgrade uint256, fixes uint256.NewFromBig

* core/vm: use uint256.Int by value in Stack

* core/vm: upgrade uint256 to v1.0.0

* core/vm: don't preallocate space for 1024 stack items (only 16)

Co-authored-by: Martin Holst Swende <martin@swende.se>
This commit is contained in:
Paweł Bylica
2020-06-08 14:24:40 +02:00
committed by GitHub
parent 39abd92ca8
commit cf6674539c
21 changed files with 359 additions and 704 deletions
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5
core/vm/eips.go
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@ -20,6 +20,7 @@ import (
"fmt"
"github.com/ethereum/go-ethereum/params"
"github.com/holiman/uint256"
)
// EnableEIP enables the given EIP on the config.
@ -63,7 +64,7 @@ func enable1884(jt *JumpTable) {
}
func opSelfBalance(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
balance := interpreter.intPool.get().Set(interpreter.evm.StateDB.GetBalance(callContext.contract.Address()))
balance, _ := uint256.FromBig(interpreter.evm.StateDB.GetBalance(callContext.contract.Address()))
callContext.stack.push(balance)
return nil, nil
}
@ -83,7 +84,7 @@ func enable1344(jt *JumpTable) {
// opChainID implements CHAINID opcode
func opChainID(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
chainId := interpreter.intPool.get().Set(interpreter.evm.chainConfig.ChainID)
chainId, _ := uint256.FromBig(interpreter.evm.chainConfig.ChainID)
callContext.stack.push(chainId)
return nil, nil
}