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229 lines
11 KiB
229 lines
11 KiB
package main
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import (
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"crypto/ecdsa"
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"fmt"
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"log"
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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blockfactory "github.com/harmony-one/harmony/block/factory"
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"github.com/harmony-one/harmony/core"
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core_state "github.com/harmony-one/harmony/core/state"
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"github.com/harmony-one/harmony/core/types"
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"github.com/harmony-one/harmony/core/vm"
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"github.com/harmony-one/harmony/crypto/hash"
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"github.com/harmony-one/harmony/internal/params"
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pkgworker "github.com/harmony-one/harmony/node/worker"
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staking "github.com/harmony-one/harmony/staking/types"
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)
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const (
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//StakingContractBinary is binary for staking contract.
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StakingContractBinary = "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"
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//FaucetContractBinary is binary for faucet contract.
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FaucetContractBinary = "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"
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)
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var (
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//FaucetPriKey for the faucet contract Test accounts
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FaucetPriKey, _ = crypto.GenerateKey()
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//FaucetAddress generated via the key.
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FaucetAddress = crypto.PubkeyToAddress(FaucetPriKey.PublicKey)
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//FaucetInitFunds initial funds in facuet contract
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FaucetInitFunds = big.NewInt(8000000000000000000)
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testUserKey, _ = crypto.GenerateKey()
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testUserAddress = crypto.PubkeyToAddress(testUserKey.PublicKey)
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chainConfig = params.TestChainConfig
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blockFactory = blockfactory.ForTest
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// Test transactions
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pendingTxs []*types.Transaction
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newTxs []*types.Transaction
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database = ethdb.NewMemDatabase()
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gspec = core.Genesis{
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Config: chainConfig,
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Factory: blockFactory,
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Alloc: core.GenesisAlloc{FaucetAddress: {Balance: FaucetInitFunds}},
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ShardID: 0,
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}
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txs []*types.Transaction
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contractworker *pkgworker.Worker
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nonce uint64
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dataEnc []byte
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allRandomUserAddress []common.Address
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allRandomUserKey []*ecdsa.PrivateKey
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faucetContractAddress common.Address
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stakeContractAddress common.Address
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chain *core.BlockChain
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err error
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block *types.Block
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state *core_state.DB
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stakingtxns []*types.Transaction
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)
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func init() {
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firstRandomUserKey, _ := crypto.GenerateKey()
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firstRandomUserAddress := crypto.PubkeyToAddress(firstRandomUserKey.PublicKey)
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secondRandomUserKey, _ := crypto.GenerateKey()
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secondRandomUserAddress := crypto.PubkeyToAddress(secondRandomUserKey.PublicKey)
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thirdRandomUserKey, _ := crypto.GenerateKey()
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thirdRandomUserAddress := crypto.PubkeyToAddress(thirdRandomUserKey.PublicKey)
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//Transactions by first, second and third user with different staking amounts.
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tx1, _ := types.SignTx(types.NewTransaction(0, firstRandomUserAddress, 0, big.NewInt(10), params.TxGas, nil, nil), types.HomesteadSigner{}, FaucetPriKey)
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tx2, _ := types.SignTx(types.NewTransaction(1, secondRandomUserAddress, 0, big.NewInt(20), params.TxGas, nil, nil), types.HomesteadSigner{}, FaucetPriKey)
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tx3, _ := types.SignTx(types.NewTransaction(2, thirdRandomUserAddress, 0, big.NewInt(30), params.TxGas, nil, nil), types.HomesteadSigner{}, FaucetPriKey)
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pendingTxs = append(pendingTxs, tx1)
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pendingTxs = append(pendingTxs, tx2)
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pendingTxs = append(pendingTxs, tx3)
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//tx4, _ := types.SignTx(types.NewTransaction(1, testUserAddress, 0, big.NewInt(1000), params.TxGas, nil, nil), types.HomesteadSigner{}, FaucetPriKey)
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//newTxs = append(newTxs, tx4)
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}
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type testWorkerBackend struct {
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db ethdb.Database
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txPool *core.TxPool
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chain *core.BlockChain
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}
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func fundFaucetContract(chain *core.BlockChain) {
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fmt.Println()
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fmt.Println("--------- Funding addresses for Faucet Contract Call ---------")
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fmt.Println()
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contractworker = pkgworker.New(params.TestChainConfig, chain, chain.Engine())
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nonce = contractworker.GetCurrentState().GetNonce(crypto.PubkeyToAddress(FaucetPriKey.PublicKey))
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dataEnc = common.FromHex(FaucetContractBinary)
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ftx, _ := types.SignTx(types.NewContractCreation(nonce, 0, big.NewInt(7000000000000000000), params.TxGasContractCreation*10, nil, dataEnc), types.HomesteadSigner{}, FaucetPriKey)
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faucetContractAddress = crypto.CreateAddress(FaucetAddress, nonce)
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state := contractworker.GetCurrentState()
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txs = append(txs, ftx)
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//Funding the user addressed
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for i := 1; i <= 3; i++ {
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randomUserKey, _ := crypto.GenerateKey()
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randomUserAddress := crypto.PubkeyToAddress(randomUserKey.PublicKey)
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amount := i*100000 + 37 // Put different amount in each account.
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tx, _ := types.SignTx(types.NewTransaction(nonce+uint64(i), randomUserAddress, 0, big.NewInt(int64(amount)), params.TxGas, nil, nil), types.HomesteadSigner{}, FaucetPriKey)
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allRandomUserAddress = append(allRandomUserAddress, randomUserAddress)
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allRandomUserKey = append(allRandomUserKey, randomUserKey)
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txs = append(txs, tx)
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}
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amount := 720000
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randomUserKey, _ := crypto.GenerateKey()
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randomUserAddress := crypto.PubkeyToAddress(randomUserKey.PublicKey)
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tx, _ := types.SignTx(types.NewTransaction(nonce+uint64(4), randomUserAddress, 0, big.NewInt(int64(amount)), params.TxGas, nil, nil), types.HomesteadSigner{}, FaucetPriKey)
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txs = append(txs, tx)
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txmap := make(map[common.Address]types.Transactions)
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txmap[FaucetAddress] = txs
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err := contractworker.CommitTransactions(
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txmap, nil, testUserAddress,
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func([]staking.RPCTransactionError) {},
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)
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if err != nil {
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fmt.Println(err)
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}
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block, _ := contractworker.FinalizeNewBlock([]byte{}, []byte{}, 0, common.Address{}, nil, nil)
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_, err = chain.InsertChain(types.Blocks{block}, true /* verifyHeaders */)
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if err != nil {
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fmt.Println(err)
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}
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state = contractworker.GetCurrentState()
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fmt.Println("Balances before call of faucet contract")
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fmt.Println("contract balance:")
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fmt.Println(state.GetBalance(faucetContractAddress))
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fmt.Println("user address balance")
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fmt.Println(state.GetBalance(allRandomUserAddress[0]))
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fmt.Println()
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fmt.Println("--------- Funding addresses for Faucet Contract Call DONE ---------")
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}
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func callFaucetContractToFundAnAddress(chain *core.BlockChain) {
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// Send Faucet Contract Transaction ///
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fmt.Println("--------- Now Setting up Faucet Contract Call ---------")
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fmt.Println()
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paddedAddress := common.LeftPadBytes(allRandomUserAddress[0].Bytes(), 32)
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transferFnSignature := []byte("request(address)")
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fnHash := hash.Keccak256(transferFnSignature)
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callFuncHex := fnHash[:4]
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var callEnc []byte
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callEnc = append(callEnc, callFuncHex...)
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callEnc = append(callEnc, paddedAddress...)
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callfaucettx, _ := types.SignTx(types.NewTransaction(nonce+uint64(5), faucetContractAddress, 0, big.NewInt(0), params.TxGasContractCreation*10, nil, callEnc), types.HomesteadSigner{}, FaucetPriKey)
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txmap := make(map[common.Address]types.Transactions)
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txmap[FaucetAddress] = types.Transactions{callfaucettx}
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err = contractworker.CommitTransactions(
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txmap, nil, testUserAddress,
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func([]staking.RPCTransactionError) {},
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)
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if err != nil {
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fmt.Println(err)
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}
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if err != nil {
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fmt.Println(err)
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}
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block, _ := contractworker.FinalizeNewBlock([]byte{}, []byte{}, 0, common.Address{}, nil, nil)
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_, err = chain.InsertChain(types.Blocks{block}, true /* verifyHeaders */)
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if err != nil {
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fmt.Println(err)
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}
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state = contractworker.GetCurrentState()
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fmt.Println("Balances AFTER CALL of faucet contract")
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fmt.Println("contract balance:")
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fmt.Println(state.GetBalance(faucetContractAddress))
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fmt.Println("user address balance")
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fmt.Println(state.GetBalance(allRandomUserAddress[0]))
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fmt.Println()
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fmt.Println("--------- Faucet Contract Call DONE ---------")
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}
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func playFaucetContract(chain *core.BlockChain) {
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fundFaucetContract(chain)
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callFaucetContractToFundAnAddress(chain)
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}
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func main() {
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genesis := gspec.MustCommit(database)
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chain, _ := core.NewBlockChain(database, nil, gspec.Config, chain.Engine(), vm.Config{}, nil)
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txpool := core.NewTxPool(core.DefaultTxPoolConfig, chainConfig, chain, func([]types.RPCTransactionError) {})
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backend := &testWorkerBackend{
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db: database,
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chain: chain,
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txPool: txpool,
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}
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backend.txPool.AddLocals(pendingTxs)
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//// Generate a small n-block chain and an uncle block for it
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n := 3
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if n > 0 {
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blocks, _ := core.GenerateChain(chainConfig, genesis, chain.Engine(), database, n, func(i int, gen *core.BlockGen) {
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gen.SetCoinbase(FaucetAddress)
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gen.SetShardID(0)
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gen.AddTx(pendingTxs[i])
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})
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if _, err := chain.InsertChain(blocks, true /* verifyHeaders */); err != nil {
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log.Fatal(err)
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}
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}
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playFaucetContract(chain)
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}
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