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core, core/vm: implemented a generic environment (#3348)

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Environment is now a struct (not an interface). This
reduces a lot of tech-debt throughout the codebase where a virtual
machine environment had to be implemented in order to test or run it.

The new environment is suitable to be used en the json tests, core
consensus and light client.
This commit is contained in:
Jeffrey Wilcke
2016-12-06 02:16:03 +01:00
committed by Felix Lange
parent 7f79d249a6
commit 3fc7c97827
39 changed files with 961 additions and 1262 deletions
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6
eth/api_backend.go
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@@ -106,12 +106,14 @@ func (b *EthApiBackend) GetTd(blockHash common.Hash) *big.Int {
return b.eth.blockchain.GetTdByHash(blockHash)
}
func (b *EthApiBackend) GetVMEnv(ctx context.Context, msg core.Message, state ethapi.State, header *types.Header) (vm.Environment, func() error, error) {
func (b *EthApiBackend) GetVMEnv(ctx context.Context, msg core.Message, state ethapi.State, header *types.Header) (*vm.Environment, func() error, error) {
statedb := state.(EthApiState).state
from := statedb.GetOrNewStateObject(msg.From())
from.SetBalance(common.MaxBig)
vmError := func() error { return nil }
return core.NewEnv(statedb, b.eth.chainConfig, b.eth.blockchain, msg, header, vm.Config{}), vmError, nil
context := core.NewEVMContext(msg, header, b.eth.BlockChain())
return vm.NewEnvironment(context, statedb, b.eth.chainConfig, vm.Config{}), vmError, nil
}
func (b *EthApiBackend) SendTx(ctx context.Context, signedTx *types.Transaction) error {