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46 lines
1.4 KiB
46 lines
1.4 KiB
6 years ago
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package worker
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import (
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/params"
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"github.com/harmony-one/harmony/core"
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"github.com/harmony-one/harmony/core/state"
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"github.com/harmony-one/harmony/core/types"
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"github.com/harmony-one/harmony/core/vm"
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)
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// environment is the worker's current environment and holds all of the current state information.
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type environment struct {
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signer types.Signer
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state *state.StateDB // apply state changes here
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tcount int // tx count in cycle
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gasPool *core.GasPool // available gas used to pack transactions
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header *types.Header
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txs []*types.Transaction
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receipts []*types.Receipt
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}
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// worker is the main object which takes care of submitting new work to consensus engine
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// and gathering the sealing result.
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type worker struct {
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config *params.ChainConfig
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chain *core.BlockChain
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current *environment // An environment for current running cycle.
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}
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func (w *worker) commitTransaction(tx *types.Transaction, coinbase common.Address) ([]*types.Log, error) {
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snap := w.current.state.Snapshot()
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receipt, _, err := core.ApplyTransaction(w.config, w.chain, &coinbase, w.current.gasPool, w.current.state, w.current.header, tx, &w.current.header.GasUsed, vm.Config{})
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if err != nil {
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w.current.state.RevertToSnapshot(snap)
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return nil, err
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}
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w.current.txs = append(w.current.txs, tx)
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w.current.receipts = append(w.current.receipts, receipt)
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return receipt.Logs, nil
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}
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