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| author | Péter Szilágyi <peterke@gmail.com> | 2016-05-20 17:29:28 +0800 |
|---|---|---|
| committer | Jeffrey Wilcke <geffobscura@gmail.com> | 2016-05-24 15:33:15 +0800 |
| commit | 1776c717bfb540f95e1b2233f35ea6f4cc8f57d5 (patch) | |
| tree | 5926f97eb049e55d7aeb8cb338bf1b9f0892d008 /accounts/abi/bind/backends/simulated.go | |
| parent | 0f6e3e873ab378e8ef997adcf5b0a0d78b6c90cc (diff) | |
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[release 1.4.5] accounts/abi/bind, eth: rely on getCode for sanity checks, not estimate and call
(cherry picked from commit 1580ec180414bce1e37acc614bc2445f778efb75)
Diffstat (limited to 'accounts/abi/bind/backends/simulated.go')
| -rw-r--r-- | accounts/abi/bind/backends/simulated.go | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/accounts/abi/bind/backends/simulated.go b/accounts/abi/bind/backends/simulated.go index 4866c4f58..54b1ce603 100644 --- a/accounts/abi/bind/backends/simulated.go +++ b/accounts/abi/bind/backends/simulated.go @@ -78,6 +78,16 @@ func (b *SimulatedBackend) Rollback() { b.pendingState, _ = state.New(b.pendingBlock.Root(), b.database) } +// HasCode implements ContractVerifier.HasCode, checking whether there is any +// code associated with a certain account in the blockchain. +func (b *SimulatedBackend) HasCode(contract common.Address, pending bool) (bool, error) { + if pending { + return len(b.pendingState.GetCode(contract)) > 0, nil + } + statedb, _ := b.blockchain.State() + return len(statedb.GetCode(contract)) > 0, nil +} + // ContractCall implements ContractCaller.ContractCall, executing the specified // contract with the given input data. func (b *SimulatedBackend) ContractCall(contract common.Address, data []byte, pending bool) ([]byte, error) { |