【以太坊】Mac安装abigen遇到的坑

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安装devtools报错

想要开发以太坊，就需要开发智能合约，需要安装aligen，Mac版本需要通过安装devtools的方式安装abigen

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$ make devtools
env GOBIN= go install golang.org/x/tools/cmd/stringer@latest
env GOBIN= go install github.com/kevinburke/go-bindata/go-bindata@latest
go: downloading github.com/kevinburke/go-bindata v3.11.0

go install github.com/kevinburke/go-bindata/go-bindata@latest: zip for github.com/kevinburke/go-bindata@v3.11.0 has unexpected file github.com/kevinburke/go-bindata@v0.0.0-20180804232615-06af60a4461b/.gitignore

这个原因是和镜像云有关系，导致不能安装go-bindata，我之前使用的是阿里云的镜像库，切换成官方的镜像，重新安装一下

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$ go env -w  GOPROXY=https://goproxy.io,direct
$ make devtools
env GOBIN= go install golang.org/x/tools/cmd/stringer@latest
env GOBIN= go install github.com/kevinburke/go-bindata/go-bindata@latest
go: downloading github.com/kevinburke/go-bindata v3.22.0+incompatible
env GOBIN= go install github.com/fjl/gencodec@latest
go: downloading github.com/fjl/gencodec v0.0.0-20191126094850-e283372f291f
go: downloading github.com/garslo/gogen v0.0.0-20170306192744-1d203ffc1f61
go: downloading golang.org/x/tools v0.0.0-20191126055441-b0650ceb63d9
env GOBIN= go install github.com/golang/protobuf/protoc-gen-go@latest
go: downloading github.com/golang/protobuf v1.5.2
go: downloading google.golang.org/protobuf v1.26.0
env GOBIN= go install ./cmd/abigen
# gopkg.in/olebedev/go-duktape.v3
In file included from _cgo_export.c:4:
debugger.go:23:13: warning: unused function '_duk_debugger_attach' [-Wunused-function]
Please install solc
Please install protoc

看到最后两句意思应该是缺少了solc和protoc

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$ npm install -g solc-cli solc protoc
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$ brew install protoc-gen-go

重试下

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$ make devtools
In file included from _cgo_export.c:4:
debugger.go:23:13: warning: unused function '_duk_debugger_attach' [-Wunused-function]

还是有报错，

没办法，只能换个思路，

后来通过官网发现，有现成的build工具 https://geth.ethereum.org/downloads/

所以又重新下载解压了一次

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$ wget -c https://gethstore.blob.core.windows.net/builds/geth-alltools-darwin-amd64-1.10.4-unstable-b3a1fda6.tar.gz
--2021-05-19 08:18:56--  https://gethstore.blob.core.windows.net/builds/geth-alltools-darwin-amd64-1.10.4-unstable-b3a1fda6.tar.gz
Resolving gethstore.blob.core.windows.net... 40.113.27.176
Connecting to gethstore.blob.core.windows.net40.113.27.176:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 45363864 (43M) [application/octet-stream]
Saving to: ‘geth-alltools-darwin-amd64-1.10.4-unstable-b3a1fda6.tar.gz’

geth-alltools-darwin-amd64-1.10.4-unsta 100%[=============================================================================>]  43.26M   324KB/s    in 3m 19s

2021-05-19 08:22:16 (223 KB/s) - ‘geth-alltools-darwin-amd64-1.10.4-unstable-b3a1fda6.tar.gz’ saved [45363864/45363864]

$ tar zxvf geth-alltools-darwin-amd64-1.10.4-unstable-b3a1fda6.tar.gz
$ cd geth-alltools-darwin-amd64-1.10.4-unstable-b3a1fda6
$ ./abigen --help
abigen [global options] command [command options] [arguments...]

VERSION:
   1.10.4-unstable-b3a1fda6-20210518

COMMANDS:
   help                               Shows a list of commands or help for one command

GLOBAL OPTIONS:
   --abi value                        Path to the Ethereum contract ABI json to bind, - for STDIN
   --bin value                        Path to the Ethereum contract bytecode (generate deploy method)
   --type value                       Struct name for the binding (default = package name)
   --combined-json value              Path to the combined-json file generated by compiler
   --sol value                        Path to the Ethereum contract Solidity source to build and bind
   --solc value                       Solidity compiler to use if source builds are requested (default: "solc")
   --vy value                         Path to the Ethereum contract Vyper source to build and bind
   --vyper value                      Vyper compiler to use if source builds are requested (default: "vyper")
   --exc value                        Comma separated types to exclude from binding
   --pkg value                        Package name to generate the binding into
   --out value                        Output file for the generated binding (default = stdout)
   --lang value                       Destination language for the bindings (go, java, objc) (default: "go")
   --alias value                      Comma separated aliases for function and event renaming, e.g. original1=alias1, original2=alias2
   --help, -h                         show help
   --version, -v                      print the version

安装成功了

本文链接： https://feilong.tech/2021/05/19/install-abigen