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crypto/secp256k1: add workaround for go mod vendor (#21735)

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Go won't vendor C files if there are no Go files present in the directory.
Workaround is to add dummy Go files.

Fixes: #20232
This commit is contained in:
Steve Ruckdashel
2020-12-08 03:47:56 -06:00
committed by GitHub
parent 581c028d18
commit 6a4e730003
8 changed files with 69 additions and 0 deletions
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20
crypto/secp256k1/dummy.go Normal file
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// +build dummy
// This file is part of a workaround for `go mod vendor` which won't vendor
// C files if there's no Go file in the same directory.
// This would prevent the crypto/secp256k1/libsecp256k1/include/secp256k1.h file to be vendored.
//
// This Go file imports the c directory where there is another dummy.go file which
// is the second part of this workaround.
//
// These two files combined make it so `go mod vendor` behaves correctly.
//
// See this issue for reference: https://github.com/golang/go/issues/26366
package secp256k1
import (
_ "github.com/ethereum/go-ethereum/crypto/secp256k1/libsecp256k1/include"
_ "github.com/ethereum/go-ethereum/crypto/secp256k1/libsecp256k1/src"
_ "github.com/ethereum/go-ethereum/crypto/secp256k1/libsecp256k1/src/modules/recovery"
)