77 lines
3.0 KiB
Go
77 lines
3.0 KiB
Go
package core
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import (
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"encoding/json"
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"fmt"
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"math/big"
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"os"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/params"
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)
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// GenesisBlock creates a genesis block with the given nonce.
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func GenesisBlock(nonce uint64, db common.Database) *types.Block {
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var accounts map[string]struct {
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Balance string
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Code string
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}
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err := json.Unmarshal(GenesisAccounts, &accounts)
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if err != nil {
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fmt.Println("unable to decode genesis json data:", err)
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os.Exit(1)
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}
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statedb := state.New(common.Hash{}, db)
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for addr, account := range accounts {
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codedAddr := common.Hex2Bytes(addr)
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accountState := statedb.CreateAccount(common.BytesToAddress(codedAddr))
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accountState.SetBalance(common.Big(account.Balance))
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accountState.SetCode(common.FromHex(account.Code))
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statedb.UpdateStateObject(accountState)
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}
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statedb.Sync()
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block := types.NewBlock(&types.Header{
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Difficulty: params.GenesisDifficulty,
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GasLimit: params.GenesisGasLimit,
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Nonce: types.EncodeNonce(nonce),
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Root: statedb.Root(),
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}, nil, nil, nil)
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block.Td = params.GenesisDifficulty
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return block
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}
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var GenesisAccounts = []byte(`{
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"0000000000000000000000000000000000000001": {"balance": "1"},
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"0000000000000000000000000000000000000002": {"balance": "1"},
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"0000000000000000000000000000000000000003": {"balance": "1"},
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"0000000000000000000000000000000000000004": {"balance": "1"},
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"dbdbdb2cbd23b783741e8d7fcf51e459b497e4a6": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
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"e4157b34ea9615cfbde6b4fda419828124b70c78": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
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"b9c015918bdaba24b4ff057a92a3873d6eb201be": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
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"6c386a4b26f73c802f34673f7248bb118f97424a": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
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"cd2a3d9f938e13cd947ec05abc7fe734df8dd826": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
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"2ef47100e0787b915105fd5e3f4ff6752079d5cb": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
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"e6716f9544a56c530d868e4bfbacb172315bdead": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
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"1a26338f0d905e295fccb71fa9ea849ffa12aaf4": {"balance": "1606938044258990275541962092341162602522202993782792835301376"}
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}`)
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// GenesisBlockForTesting creates a block in which addr has the given wei balance.
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// The state trie of the block is written to db.
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func GenesisBlockForTesting(db common.Database, addr common.Address, balance *big.Int) *types.Block {
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statedb := state.New(common.Hash{}, db)
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obj := statedb.GetOrNewStateObject(addr)
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obj.SetBalance(balance)
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statedb.Update()
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statedb.Sync()
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block := types.NewBlock(&types.Header{
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Difficulty: params.GenesisDifficulty,
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GasLimit: params.GenesisGasLimit,
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Root: statedb.Root(),
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}, nil, nil, nil)
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block.Td = params.GenesisDifficulty
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return block
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}
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