mirror of https://github.com/poanetwork/gecko.git
76 lines
1.9 KiB
Go
76 lines
1.9 KiB
Go
// (c) 2019-2020, Ava Labs, Inc. All rights reserved.
|
|
// See the file LICENSE for licensing terms.
|
|
|
|
package evm
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/ava-labs/go-ethereum/core/types"
|
|
"github.com/ava-labs/go-ethereum/rlp"
|
|
|
|
"github.com/ava-labs/gecko/ids"
|
|
"github.com/ava-labs/gecko/snow/choices"
|
|
"github.com/ava-labs/gecko/snow/consensus/snowman"
|
|
)
|
|
|
|
// Block implements the snowman.Block interface
|
|
type Block struct {
|
|
id ids.ID
|
|
ethBlock *types.Block
|
|
vm *VM
|
|
}
|
|
|
|
// ID implements the snowman.Block interface
|
|
func (b *Block) ID() ids.ID { return b.id }
|
|
|
|
// Accept implements the snowman.Block interface
|
|
func (b *Block) Accept() {
|
|
b.vm.ctx.Log.Verbo("Block %s is accepted", b.ID())
|
|
b.vm.updateStatus(b.ID(), choices.Accepted)
|
|
}
|
|
|
|
// Reject implements the snowman.Block interface
|
|
func (b *Block) Reject() {
|
|
b.vm.ctx.Log.Verbo("Block %s is rejected", b.ID())
|
|
b.vm.updateStatus(b.ID(), choices.Rejected)
|
|
}
|
|
|
|
// Status implements the snowman.Block interface
|
|
func (b *Block) Status() choices.Status {
|
|
status := b.vm.getCachedStatus(b.ID())
|
|
if status == choices.Unknown && b.ethBlock != nil {
|
|
return choices.Processing
|
|
}
|
|
return status
|
|
}
|
|
|
|
// Parent implements the snowman.Block interface
|
|
func (b *Block) Parent() snowman.Block {
|
|
parentID := ids.NewID(b.ethBlock.ParentHash())
|
|
block := &Block{
|
|
id: parentID,
|
|
ethBlock: b.vm.getCachedBlock(parentID),
|
|
vm: b.vm,
|
|
}
|
|
b.vm.ctx.Log.Verbo("Parent(%s) has status: %s", block.ID(), block.Status())
|
|
return block
|
|
}
|
|
|
|
// Verify implements the snowman.Block interface
|
|
func (b *Block) Verify() error {
|
|
_, err := b.vm.chain.InsertChain([]*types.Block{b.ethBlock})
|
|
return err
|
|
}
|
|
|
|
// Bytes implements the snowman.Block interface
|
|
func (b *Block) Bytes() []byte {
|
|
res, err := rlp.EncodeToBytes(b.ethBlock)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return res
|
|
}
|
|
|
|
func (b *Block) String() string { return fmt.Sprintf("EVM block, ID = %s", b.ID()) }
|