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130 lines
3.2 KiB
130 lines
3.2 KiB
package main
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import (
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"math/big"
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"fmt"
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"encoding/hex"
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"crypto/sha256"
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_ "bytes"
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"strconv"
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)
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/*
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Transaction Contract Size
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-------------------------------------------
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sender sender 20 bytes
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recipient 0x0 20 bytes
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value endowment 4 bytes (uint32)
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fee fee 4 bytes (uint32)
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d_size o_size 4 bytes (uint32)
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data ops *
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signature signature 64 bytes
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*/
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var StepFee *big.Int = new(big.Int)
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var TxFee *big.Int = new(big.Int)
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var ContractFee *big.Int = new(big.Int)
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var MemFee *big.Int = new(big.Int)
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var DataFee *big.Int = new(big.Int)
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var CryptoFee *big.Int = new(big.Int)
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var ExtroFee *big.Int = new(big.Int)
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var Period1Reward *big.Int = new(big.Int)
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var Period2Reward *big.Int = new(big.Int)
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var Period3Reward *big.Int = new(big.Int)
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var Period4Reward *big.Int = new(big.Int)
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type Transaction struct {
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sender string
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recipient uint32
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value uint32
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fee uint32
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data []string
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memory []int
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signature string
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addr string
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}
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func NewTransaction(to uint32, value uint32, data []string) *Transaction {
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tx := Transaction{sender: "1234567890", recipient: to, value: value}
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tx.fee = 0//uint32((ContractFee + MemoryFee * float32(len(tx.data))) * 1e8)
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// Serialize the data
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tx.data = make([]string, len(data))
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for i, val := range data {
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instr, err := CompileInstr(val)
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if err != nil {
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fmt.Printf("compile error:%d %v", i+1, err)
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}
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tx.data[i] = instr
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}
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b:= []byte(tx.Serialize())
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hash := sha256.Sum256(b)
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tx.addr = hex.EncodeToString(hash[0:19])
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return &tx
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}
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func Uitoa(i uint32) string {
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return strconv.FormatUint(uint64(i), 10)
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}
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func (tx *Transaction) Serialize() string {
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// Prepare the transaction for serialization
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preEnc := []interface{}{
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"0", // TODO last Tx
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tx.sender,
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// XXX In the future there's no need to cast to string because they'll end up being big numbers (strings)
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Uitoa(tx.recipient),
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Uitoa(tx.value),
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Uitoa(tx.fee),
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tx.data,
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}
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return RlpEncode(preEnc)
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}
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func InitFees() {
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// Base for 2**60
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b60 := new(big.Int)
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b60.Exp(big.NewInt(2), big.NewInt(64), big.NewInt(0))
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// Base for 2**80
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b80 := new(big.Int)
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b80.Exp(big.NewInt(2), big.NewInt(80), big.NewInt(0))
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StepFee.Div(b60, big.NewInt(64))
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//fmt.Println("StepFee:", StepFee)
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TxFee.Exp(big.NewInt(2), big.NewInt(64), big.NewInt(0))
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//fmt.Println("TxFee:", TxFee)
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ContractFee.Exp(big.NewInt(2), big.NewInt(64), big.NewInt(0))
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//fmt.Println("ContractFee:", ContractFee)
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MemFee.Div(b60, big.NewInt(4))
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//fmt.Println("MemFee:", MemFee)
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DataFee.Div(b60, big.NewInt(16))
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//fmt.Println("DataFee:", DataFee)
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CryptoFee.Div(b60, big.NewInt(16))
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//fmt.Println("CrytoFee:", CryptoFee)
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ExtroFee.Div(b60, big.NewInt(16))
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//fmt.Println("ExtroFee:", ExtroFee)
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Period1Reward.Mul(b80, big.NewInt(1024))
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//fmt.Println("Period1Reward:", Period1Reward)
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Period2Reward.Mul(b80, big.NewInt(512))
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//fmt.Println("Period2Reward:", Period2Reward)
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Period3Reward.Mul(b80, big.NewInt(256))
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//fmt.Println("Period3Reward:", Period3Reward)
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Period4Reward.Mul(b80, big.NewInt(128))
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//fmt.Println("Period4Reward:", Period4Reward)
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}
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