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nimbus-eth1
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rename transferBalance to canTransfer

This commit is contained in:
andri lim 2019-03-14 16:24:27 +07:00
parent 039ab1ce71
commit 0654a232a3
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GPG Key ID: 31702AE10541E6B9
1 changed files with 6 additions and 7 deletions
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13
nimbus/vm/interpreter/opcodes_impl.nim
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@ -506,7 +506,7 @@ genLog()
# ##########################################
# f0s: System operations.
proc transferBalance(computation: BaseComputation, memPos, len: int, value: Uint256): bool =
proc canTransfer(computation: BaseComputation, memPos, len: int, value: Uint256): bool =
# tricky gasCost: 1,0,0 -> createCost. 0,0,x -> depositCost
let gasCost = computation.gasCosts[Create].m_handler(1, 0, 0)
let reason = &"CREATE: GasCreate + {len} * memory expansion"
@ -531,7 +531,7 @@ proc transferBalance(computation: BaseComputation, memPos, len: int, value: Uint
result = true
proc setupCreate(computation: var BaseComputation, memPos, len: int, value: Uint256): (BaseComputation, EthAddress) =
proc setupCreate(computation: var BaseComputation, memPos, len: int, value: Uint256): BaseComputation =
let
callData = computation.memory.read(memPos, len)
createMsgGas = computation.getGasRemaining()
@ -569,25 +569,24 @@ proc setupCreate(computation: var BaseComputation, memPos, len: int, value: Uint
)
childMsg.sender = computation.msg.storageAddress
var childComp = generateChildComputation(computation.getFork, computation, childMsg)
result = (childComp, contractAddress)
result = generateChildComputation(computation.getFork, computation, childMsg)
op create, inline = false, value, startPosition, size:
## 0xf0, Create a new account with associated code.
# TODO: Forked create for Homestead
let (memPos, len) = (startPosition.cleanMemRef, size.cleanMemRef)
if not computation.transferBalance(memPos, len, value):
if not computation.canTransfer(memPos, len, value):
push: 0
return
var (childComp, contractAddress) = setupCreate(computation, memPos, len, value)
var childComp = setupCreate(computation, memPos, len, value)
computation.applyChildComputation(childComp, Create)
if childComp.isError:
push: 0
else:
push: contractAddress
push: childComp.msg.storageAddress
if not childComp.shouldBurnGas:
computation.gasMeter.returnGas(childComp.gasMeter.gasRemaining)