mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-23 12:07:17 +00:00
276 lines
8.0 KiB
Go
276 lines
8.0 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"regexp"
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"strings"
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"github.com/ledgerwatch/erigon/accounts/abi"
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"github.com/ledgerwatch/erigon/accounts/abi/bind"
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"github.com/ledgerwatch/erigon/cmd/utils"
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"github.com/ledgerwatch/erigon/common/compiler"
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"github.com/ledgerwatch/erigon/crypto"
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"github.com/ledgerwatch/erigon/internal/flags"
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"github.com/ledgerwatch/erigon/params"
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"github.com/ledgerwatch/log/v3"
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"github.com/urfave/cli"
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)
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var (
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app *cli.App
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// Flags needed by abigen
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abiFlag = cli.StringFlag{
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Name: "abi",
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Usage: "Path to the Ethereum contract ABI json to bind, - for STDIN",
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}
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binFlag = cli.StringFlag{
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Name: "bin",
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Usage: "Path to the Ethereum contract bytecode (generate deploy method)",
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}
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typeFlag = cli.StringFlag{
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Name: "type",
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Usage: "Struct name for the binding (default = package name)",
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}
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jsonFlag = cli.StringFlag{
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Name: "combined-json",
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Usage: "Path to the combined-json file generated by compiler",
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}
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solFlag = cli.StringFlag{
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Name: "sol",
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Usage: "Path to the Ethereum contract Solidity source to build and bind",
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}
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solcFlag = cli.StringFlag{
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Name: "solc",
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Usage: "Solidity compiler to use if source builds are requested",
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Value: "solc",
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}
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vyFlag = cli.StringFlag{
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Name: "vy",
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Usage: "Path to the Ethereum contract Vyper source to build and bind",
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}
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vyperFlag = cli.StringFlag{
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Name: "vyper",
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Usage: "Vyper compiler to use if source builds are requested",
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Value: "vyper",
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}
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excFlag = cli.StringFlag{
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Name: "exc",
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Usage: "Comma separated types to exclude from binding",
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}
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pkgFlag = cli.StringFlag{
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Name: "pkg",
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Usage: "Package name to generate the binding into",
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}
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outFlag = cli.StringFlag{
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Name: "out",
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Usage: "Output file for the generated binding (default = stdout)",
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}
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langFlag = cli.StringFlag{
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Name: "lang",
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Usage: "Destination language for the bindings (go, java, objc)",
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Value: "go",
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}
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aliasFlag = cli.StringFlag{
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Name: "alias",
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Usage: "Comma separated aliases for function and event renaming, e.g. original1=alias1, original2=alias2",
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}
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)
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func init() {
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app = flags.NewApp(params.GitCommit, "", "ethereum checkpoint helper tool")
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app.Flags = []cli.Flag{
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abiFlag,
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binFlag,
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typeFlag,
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jsonFlag,
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solFlag,
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solcFlag,
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vyFlag,
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vyperFlag,
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excFlag,
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pkgFlag,
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outFlag,
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langFlag,
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aliasFlag,
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}
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app.Action = abigen
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}
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func abigen(c *cli.Context) error {
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utils.CheckExclusive(c, abiFlag, jsonFlag, solFlag, vyFlag) // Only one source can be selected.
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if c.GlobalString(pkgFlag.Name) == "" {
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utils.Fatalf("No destination package specified (--pkg)")
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}
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var lang bind.Lang
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switch c.GlobalString(langFlag.Name) {
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case "go":
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lang = bind.LangGo
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case "java":
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lang = bind.LangJava
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case "objc":
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lang = bind.LangObjC
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utils.Fatalf("Objc binding generation is uncompleted")
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default:
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utils.Fatalf("Unsupported destination language \"%s\" (--lang)", c.GlobalString(langFlag.Name))
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}
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// If the entire solidity code was specified, build and bind based on that
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var (
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abis []string
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bins []string
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types []string
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sigs []map[string]string
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libs = make(map[string]string)
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aliases = make(map[string]string)
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)
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if c.GlobalString(abiFlag.Name) != "" {
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// Load up the ABI, optional bytecode and type name from the parameters
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var (
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abi []byte
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err error
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)
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input := c.GlobalString(abiFlag.Name)
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if input == "-" {
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abi, err = ioutil.ReadAll(os.Stdin)
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} else {
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abi, err = ioutil.ReadFile(input)
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}
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if err != nil {
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utils.Fatalf("Failed to read input ABI: %v", err)
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}
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abis = append(abis, string(abi))
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var bin []byte
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if binFile := c.GlobalString(binFlag.Name); binFile != "" {
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if bin, err = ioutil.ReadFile(binFile); err != nil {
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utils.Fatalf("Failed to read input bytecode: %v", err)
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}
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if strings.Contains(string(bin), "//") {
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utils.Fatalf("Contract has additional library references, please use other mode(e.g. --combined-json) to catch library infos")
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}
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}
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bins = append(bins, string(bin))
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kind := c.GlobalString(typeFlag.Name)
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if kind == "" {
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kind = c.GlobalString(pkgFlag.Name)
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}
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types = append(types, kind)
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} else {
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// Generate the list of types to exclude from binding
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exclude := make(map[string]bool)
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for _, kind := range strings.Split(c.GlobalString(excFlag.Name), ",") {
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exclude[strings.ToLower(kind)] = true
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}
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var err error
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var contracts map[string]*compiler.Contract
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switch {
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case c.GlobalIsSet(solFlag.Name):
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contracts, err = compiler.CompileSolidity(c.GlobalString(solcFlag.Name), c.GlobalString(solFlag.Name))
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if err != nil {
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utils.Fatalf("Failed to build Solidity contract: %v", err)
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}
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case c.GlobalIsSet(vyFlag.Name):
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output, err := compiler.CompileVyper(c.GlobalString(vyperFlag.Name), c.GlobalString(vyFlag.Name))
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if err != nil {
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utils.Fatalf("Failed to build Vyper contract: %v", err)
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}
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contracts = make(map[string]*compiler.Contract)
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for n, contract := range output {
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name := n
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// Sanitize the combined json names to match the
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// format expected by solidity.
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if !strings.Contains(n, ":") {
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// Remove extra path components
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name = abi.ToCamelCase(strings.TrimSuffix(filepath.Base(name), ".vy"))
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}
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contracts[name] = contract
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}
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case c.GlobalIsSet(jsonFlag.Name):
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jsonOutput, err := ioutil.ReadFile(c.GlobalString(jsonFlag.Name))
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if err != nil {
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utils.Fatalf("Failed to read combined-json from compiler: %v", err)
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}
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contracts, err = compiler.ParseCombinedJSON(jsonOutput, "", "", "", "")
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if err != nil {
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utils.Fatalf("Failed to read contract information from json output: %v", err)
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}
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}
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// Gather all non-excluded contract for binding
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for name, contract := range contracts {
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if exclude[strings.ToLower(name)] {
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continue
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}
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abi, err := json.Marshal(contract.Info.AbiDefinition) // Flatten the compiler parse
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if err != nil {
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utils.Fatalf("Failed to parse ABIs from compiler output: %v", err)
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}
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abis = append(abis, string(abi))
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bins = append(bins, contract.Code)
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sigs = append(sigs, contract.Hashes)
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nameParts := strings.Split(name, ":")
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types = append(types, nameParts[len(nameParts)-1])
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libPattern := crypto.Keccak256Hash([]byte(name)).String()[2:36]
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libs[libPattern] = nameParts[len(nameParts)-1]
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}
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}
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// Extract all aliases from the flags
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if c.GlobalIsSet(aliasFlag.Name) {
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// We support multi-versions for aliasing
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// e.g.
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// foo=bar,foo2=bar2
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// foo:bar,foo2:bar2
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re := regexp.MustCompile(`(?:(\w+)[:=](\w+))`)
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submatches := re.FindAllStringSubmatch(c.GlobalString(aliasFlag.Name), -1)
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for _, match := range submatches {
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aliases[match[1]] = match[2]
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}
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}
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// Generate the contract binding
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code, err := bind.Bind(types, abis, bins, sigs, c.GlobalString(pkgFlag.Name), lang, libs, aliases)
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if err != nil {
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utils.Fatalf("Failed to generate ABI binding: %v", err)
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}
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// Either flush it out to a file or display on the standard output
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if !c.GlobalIsSet(outFlag.Name) {
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fmt.Printf("%s\n", code)
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return nil
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}
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if err := ioutil.WriteFile(c.GlobalString(outFlag.Name), []byte(code), 0600); err != nil {
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utils.Fatalf("Failed to write ABI binding: %v", err)
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}
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return nil
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}
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func main() {
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log.Root().SetHandler(log.LvlFilterHandler(log.LvlInfo, log.StderrHandler))
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if err := app.Run(os.Args); err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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}
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