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authorPéter Szilágyi <peterke@gmail.com>2016-03-16 18:48:33 +0800
committerPéter Szilágyi <peterke@gmail.com>2016-03-24 20:15:18 +0800
commit72826bb5adddedf0fd4fb9903e883d4c64fa18a6 (patch)
tree9e20f17956a3d0ac5ecf2e64db80dedef0196d45 /cmd
parent75c86f8646ed6a21116d6c5f5e400dd966bb218d (diff)
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accounts/abi/bind, cmd/abigen: Go API generator around an EVM ABI
Diffstat (limited to 'cmd')
-rw-r--r--cmd/abigen/main.go71
1 files changed, 71 insertions, 0 deletions
diff --git a/cmd/abigen/main.go b/cmd/abigen/main.go
new file mode 100644
index 000000000..d36784de8
--- /dev/null
+++ b/cmd/abigen/main.go
@@ -0,0 +1,71 @@
+// Copyright 2016 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package main
+
+import (
+ "flag"
+ "fmt"
+ "io/ioutil"
+ "os"
+
+ "github.com/ethereum/go-ethereum/accounts/abi/bind"
+)
+
+var (
+ abiFlag = flag.String("abi", "", "Path to the Ethereum contract ABI json to bind")
+ pkgFlag = flag.String("pkg", "", "Go package name to generate the binding into")
+ typFlag = flag.String("type", "", "Go struct name for the binding (default = package name)")
+ outFlag = flag.String("out", "", "Output path for the generated binding")
+)
+
+func main() {
+ // Parse and validate the command line flags
+ flag.Parse()
+
+ if *abiFlag == "" {
+ fmt.Printf("No contract ABI path specified (--abi)\n")
+ os.Exit(-1)
+ }
+ if *pkgFlag == "" {
+ fmt.Printf("No destination Go package specified (--pkg)\n")
+ os.Exit(-1)
+ }
+ // Generate the contract binding
+ in, err := ioutil.ReadFile(*abiFlag)
+ if err != nil {
+ fmt.Printf("Failed to read input ABI: %v\n", err)
+ os.Exit(-1)
+ }
+ kind := *typFlag
+ if kind == "" {
+ kind = *pkgFlag
+ }
+ code, err := bind.Bind(string(in), *pkgFlag, kind)
+ if err != nil {
+ fmt.Printf("Failed to generate ABI binding: %v\n", err)
+ os.Exit(-1)
+ }
+ // Either flush it out to a file or display on the standard output
+ if *outFlag == "" {
+ fmt.Printf("%s\n", code)
+ return
+ }
+ if err := ioutil.WriteFile(*outFlag, []byte(code), 0600); err != nil {
+ fmt.Printf("Failed to write ABI binding: %v\n", err)
+ os.Exit(-1)
+ }
+}