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authorPéter Szilágyi <peterke@gmail.com>2017-10-23 17:24:25 +0800
committerPéter Szilágyi <peterke@gmail.com>2017-11-21 21:09:36 +0800
commit6eb38e02a8e3bd39ba155df0b40560e384e2c6f4 (patch)
treeb52a604e47af88a63a40ce1b55ebd9474eccf6b5 /cmd/puppeth/genesis.go
parent51a86f61be52fdd16a409fc93cf89a2226129697 (diff)
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cmd/puppeth: fix dashboard iframes, extend with new services
Diffstat (limited to 'cmd/puppeth/genesis.go')
-rw-r--r--cmd/puppeth/genesis.go171
1 files changed, 171 insertions, 0 deletions
diff --git a/cmd/puppeth/genesis.go b/cmd/puppeth/genesis.go
index 2b66df43c..5e36f7fce 100644
--- a/cmd/puppeth/genesis.go
+++ b/cmd/puppeth/genesis.go
@@ -28,6 +28,140 @@ import (
"github.com/ethereum/go-ethereum/params"
)
+// cppEthereumGenesisSpec represents the genesis specification format used by the
+// C++ Ethereum implementation.
+type cppEthereumGenesisSpec struct {
+ SealEngine string `json:"sealEngine"`
+ Params struct {
+ AccountStartNonce hexutil.Uint64 `json:"accountStartNonce"`
+ HomesteadForkBlock hexutil.Uint64 `json:"homesteadForkBlock"`
+ EIP150ForkBlock hexutil.Uint64 `json:"EIP150ForkBlock"`
+ EIP158ForkBlock hexutil.Uint64 `json:"EIP158ForkBlock"`
+ ByzantiumForkBlock hexutil.Uint64 `json:"byzantiumForkBlock"`
+ ConstantinopleForkBlock hexutil.Uint64 `json:"constantinopleForkBlock"`
+ NetworkID hexutil.Uint64 `json:"networkID"`
+ ChainID hexutil.Uint64 `json:"chainID"`
+ MaximumExtraDataSize hexutil.Uint64 `json:"maximumExtraDataSize"`
+ MinGasLimit hexutil.Uint64 `json:"minGasLimit"`
+ MaxGasLimit hexutil.Uint64 `json:"maxGasLimit"`
+ GasLimitBoundDivisor *hexutil.Big `json:"gasLimitBoundDivisor"`
+ MinimumDifficulty *hexutil.Big `json:"minimumDifficulty"`
+ DifficultyBoundDivisor *hexutil.Big `json:"difficultyBoundDivisor"`
+ DurationLimit *hexutil.Big `json:"durationLimit"`
+ BlockReward *hexutil.Big `json:"blockReward"`
+ } `json:"params"`
+
+ Genesis struct {
+ Nonce hexutil.Bytes `json:"nonce"`
+ Difficulty *hexutil.Big `json:"difficulty"`
+ MixHash common.Hash `json:"mixHash"`
+ Author common.Address `json:"author"`
+ Timestamp hexutil.Uint64 `json:"timestamp"`
+ ParentHash common.Hash `json:"parentHash"`
+ ExtraData hexutil.Bytes `json:"extraData"`
+ GasLimit hexutil.Uint64 `json:"gasLimit"`
+ } `json:"genesis"`
+
+ Accounts map[common.Address]*cppEthereumGenesisSpecAccount `json:"accounts"`
+}
+
+// cppEthereumGenesisSpecAccount is the prefunded genesis account and/or precompiled
+// contract definition.
+type cppEthereumGenesisSpecAccount struct {
+ Balance *hexutil.Big `json:"balance"`
+ Nonce uint64 `json:"nonce,omitempty"`
+ Precompiled *cppEthereumGenesisSpecBuiltin `json:"precompiled,omitempty"`
+}
+
+// cppEthereumGenesisSpecBuiltin is the precompiled contract definition.
+type cppEthereumGenesisSpecBuiltin struct {
+ Name string `json:"name,omitempty"`
+ StartingBlock hexutil.Uint64 `json:"startingBlock,omitempty"`
+ Linear *cppEthereumGenesisSpecLinearPricing `json:"linear,omitempty"`
+}
+
+type cppEthereumGenesisSpecLinearPricing struct {
+ Base uint64 `json:"base"`
+ Word uint64 `json:"word"`
+}
+
+// newCppEthereumGenesisSpec converts a go-ethereum genesis block into a Parity specific
+// chain specification format.
+func newCppEthereumGenesisSpec(network string, genesis *core.Genesis) (*cppEthereumGenesisSpec, error) {
+ // Only ethash is currently supported between go-ethereum and cpp-ethereum
+ if genesis.Config.Ethash == nil {
+ return nil, errors.New("unsupported consensus engine")
+ }
+ // Reconstruct the chain spec in Parity's format
+ spec := &cppEthereumGenesisSpec{
+ SealEngine: "Ethash",
+ }
+ spec.Params.AccountStartNonce = 0
+ spec.Params.HomesteadForkBlock = (hexutil.Uint64)(genesis.Config.HomesteadBlock.Uint64())
+ spec.Params.EIP150ForkBlock = (hexutil.Uint64)(genesis.Config.EIP150Block.Uint64())
+ spec.Params.EIP158ForkBlock = (hexutil.Uint64)(genesis.Config.EIP158Block.Uint64())
+ spec.Params.ByzantiumForkBlock = (hexutil.Uint64)(genesis.Config.ByzantiumBlock.Uint64())
+ spec.Params.ConstantinopleForkBlock = (hexutil.Uint64)(math.MaxUint64)
+
+ spec.Params.NetworkID = (hexutil.Uint64)(genesis.Config.ChainId.Uint64())
+ spec.Params.ChainID = (hexutil.Uint64)(genesis.Config.ChainId.Uint64())
+
+ spec.Params.MaximumExtraDataSize = (hexutil.Uint64)(params.MaximumExtraDataSize)
+ spec.Params.MinGasLimit = (hexutil.Uint64)(params.MinGasLimit.Uint64())
+ spec.Params.MaxGasLimit = (hexutil.Uint64)(math.MaxUint64)
+ spec.Params.MinimumDifficulty = (*hexutil.Big)(params.MinimumDifficulty)
+ spec.Params.DifficultyBoundDivisor = (*hexutil.Big)(params.DifficultyBoundDivisor)
+ spec.Params.GasLimitBoundDivisor = (*hexutil.Big)(params.GasLimitBoundDivisor)
+ spec.Params.DurationLimit = (*hexutil.Big)(params.DurationLimit)
+ spec.Params.BlockReward = (*hexutil.Big)(ethash.FrontierBlockReward)
+
+ spec.Genesis.Nonce = (hexutil.Bytes)(make([]byte, 8))
+ binary.LittleEndian.PutUint64(spec.Genesis.Nonce[:], genesis.Nonce)
+
+ spec.Genesis.MixHash = genesis.Mixhash
+ spec.Genesis.Difficulty = (*hexutil.Big)(genesis.Difficulty)
+ spec.Genesis.Author = genesis.Coinbase
+ spec.Genesis.Timestamp = (hexutil.Uint64)(genesis.Timestamp)
+ spec.Genesis.ParentHash = genesis.ParentHash
+ spec.Genesis.ExtraData = (hexutil.Bytes)(genesis.ExtraData)
+ spec.Genesis.GasLimit = (hexutil.Uint64)(genesis.GasLimit)
+
+ spec.Accounts = make(map[common.Address]*cppEthereumGenesisSpecAccount)
+ for address, account := range genesis.Alloc {
+ spec.Accounts[address] = &cppEthereumGenesisSpecAccount{
+ Balance: (*hexutil.Big)(account.Balance),
+ Nonce: account.Nonce,
+ }
+ }
+ spec.Accounts[common.BytesToAddress([]byte{1})].Precompiled = &cppEthereumGenesisSpecBuiltin{
+ Name: "ecrecover", Linear: &cppEthereumGenesisSpecLinearPricing{Base: 3000},
+ }
+ spec.Accounts[common.BytesToAddress([]byte{2})].Precompiled = &cppEthereumGenesisSpecBuiltin{
+ Name: "sha256", Linear: &cppEthereumGenesisSpecLinearPricing{Base: 60, Word: 12},
+ }
+ spec.Accounts[common.BytesToAddress([]byte{3})].Precompiled = &cppEthereumGenesisSpecBuiltin{
+ Name: "ripemd160", Linear: &cppEthereumGenesisSpecLinearPricing{Base: 600, Word: 120},
+ }
+ spec.Accounts[common.BytesToAddress([]byte{4})].Precompiled = &cppEthereumGenesisSpecBuiltin{
+ Name: "identity", Linear: &cppEthereumGenesisSpecLinearPricing{Base: 15, Word: 3},
+ }
+ if genesis.Config.ByzantiumBlock != nil {
+ spec.Accounts[common.BytesToAddress([]byte{5})].Precompiled = &cppEthereumGenesisSpecBuiltin{
+ Name: "modexp", StartingBlock: (hexutil.Uint64)(genesis.Config.ByzantiumBlock.Uint64()),
+ }
+ spec.Accounts[common.BytesToAddress([]byte{6})].Precompiled = &cppEthereumGenesisSpecBuiltin{
+ Name: "alt_bn128_G1_add", StartingBlock: (hexutil.Uint64)(genesis.Config.ByzantiumBlock.Uint64()), Linear: &cppEthereumGenesisSpecLinearPricing{Base: 500},
+ }
+ spec.Accounts[common.BytesToAddress([]byte{7})].Precompiled = &cppEthereumGenesisSpecBuiltin{
+ Name: "alt_bn128_G1_mul", StartingBlock: (hexutil.Uint64)(genesis.Config.ByzantiumBlock.Uint64()), Linear: &cppEthereumGenesisSpecLinearPricing{Base: 40000},
+ }
+ spec.Accounts[common.BytesToAddress([]byte{8})].Precompiled = &cppEthereumGenesisSpecBuiltin{
+ Name: "alt_bn128_pairing_product", StartingBlock: (hexutil.Uint64)(genesis.Config.ByzantiumBlock.Uint64()),
+ }
+ }
+ return spec, nil
+}
+
// parityChainSpec is the chain specification format used by Parity.
type parityChainSpec struct {
Name string `json:"name"`
@@ -206,3 +340,40 @@ func newParityChainSpec(network string, genesis *core.Genesis, bootnodes []strin
}
return spec, nil
}
+
+// pyEthereumGenesisSpec represents the genesis specification format used by the
+// Python Ethereum implementation.
+type pyEthereumGenesisSpec struct {
+ Nonce hexutil.Bytes `json:"nonce"`
+ Timestamp hexutil.Uint64 `json:"timestamp"`
+ ExtraData hexutil.Bytes `json:"extraData"`
+ GasLimit hexutil.Uint64 `json:"gasLimit"`
+ Difficulty *hexutil.Big `json:"difficulty"`
+ Mixhash common.Hash `json:"mixhash"`
+ Coinbase common.Address `json:"coinbase"`
+ Alloc core.GenesisAlloc `json:"alloc"`
+ ParentHash common.Hash `json:"parentHash"`
+}
+
+// newPyEthereumGenesisSpec converts a go-ethereum genesis block into a Parity specific
+// chain specification format.
+func newPyEthereumGenesisSpec(network string, genesis *core.Genesis) (*pyEthereumGenesisSpec, error) {
+ // Only ethash is currently supported between go-ethereum and pyethereum
+ if genesis.Config.Ethash == nil {
+ return nil, errors.New("unsupported consensus engine")
+ }
+ spec := &pyEthereumGenesisSpec{
+ Timestamp: (hexutil.Uint64)(genesis.Timestamp),
+ ExtraData: genesis.ExtraData,
+ GasLimit: (hexutil.Uint64)(genesis.GasLimit),
+ Difficulty: (*hexutil.Big)(genesis.Difficulty),
+ Mixhash: genesis.Mixhash,
+ Coinbase: genesis.Coinbase,
+ Alloc: genesis.Alloc,
+ ParentHash: genesis.ParentHash,
+ }
+ spec.Nonce = (hexutil.Bytes)(make([]byte, 8))
+ binary.LittleEndian.PutUint64(spec.Nonce[:], genesis.Nonce)
+
+ return spec, nil
+}