ui/library.go


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package ethui

import (
    "encoding/hex"
    "fmt"
    "github.com/ethereum/eth-go/ethchain"
    "github.com/ethereum/eth-go/ethutil"
    "math/big"
)

type EthLib struct {
    blockManager *ethchain.BlockManager
    blockChain   *ethchain.BlockChain
    txPool       *ethchain.TxPool
}

func (lib *EthLib) CreateTx(receiver string, amount uint64) string {
    hash, err := hex.DecodeString(receiver)
    if err != nil {
        return err.Error()
    }

    tx := ethchain.NewTransaction(hash, big.NewInt(int64(amount)), []string{""})
    data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
    keyRing := ethutil.NewValueFromBytes(data)
    tx.Sign(keyRing.Get(0).Bytes())

    lib.txPool.QueueTransaction(tx)

    return ethutil.Hex(tx.Hash())
}

func (lib *EthLib) GetBlock(hexHash string) *Block {
    hash, err := hex.DecodeString(hexHash)
    if err != nil {
        return nil
    }

    block := lib.blockChain.GetBlock(hash)
    fmt.Println(block)
    return &Block{Number: int(block.BlockInfo().Number), Hash: ethutil.Hex(block.Hash())}
}