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| author | Felix Lange <fjl@twurst.com> | 2015-06-19 07:57:16 +0800 |
|---|---|---|
| committer | Jeffrey Wilcke <geffobscura@gmail.com> | 2015-06-30 00:51:47 +0800 |
| commit | ceaf1c080b4047c26d433e778d4d3142f4e29d24 (patch) | |
| tree | 5f1f5b8cfad997ac3be2070e7a6a0c9876d8d5d9 /core/genesis.go | |
| parent | 1d42888d3047dabfb352c94a2051e7af14d2a509 (diff) | |
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core: add GenerateChain, GenesisBlockForTesting
Diffstat (limited to 'core/genesis.go')
| -rw-r--r-- | core/genesis.go | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/core/genesis.go b/core/genesis.go index de2eee9db..df13466ec 100644 --- a/core/genesis.go +++ b/core/genesis.go @@ -3,6 +3,7 @@ package core import ( "encoding/json" "fmt" + "math/big" "os" "github.com/ethereum/go-ethereum/common" @@ -56,3 +57,20 @@ var GenesisAccounts = []byte(`{ "e6716f9544a56c530d868e4bfbacb172315bdead": {"balance": "1606938044258990275541962092341162602522202993782792835301376"}, "1a26338f0d905e295fccb71fa9ea849ffa12aaf4": {"balance": "1606938044258990275541962092341162602522202993782792835301376"} }`) + +// GenesisBlockForTesting creates a block in which addr has the given wei balance. +// The state trie of the block is written to db. +func GenesisBlockForTesting(db common.Database, addr common.Address, balance *big.Int) *types.Block { + statedb := state.New(common.Hash{}, db) + obj := statedb.GetOrNewStateObject(addr) + obj.SetBalance(balance) + statedb.Update() + statedb.Sync() + block := types.NewBlock(&types.Header{ + Difficulty: params.GenesisDifficulty, + GasLimit: params.GenesisGasLimit, + Root: statedb.Root(), + }, nil, nil, nil) + block.Td = params.GenesisDifficulty + return block +} |