Add go package as a submodule

[w4ll3]

This adds a sub module to DIDKit didkit-go. The reason it is being added this way is to make it possible to be used as a module in a Go program. Once this is merged the instructions at didkit-go, which are simpler, will work.

Testing at DIDKit

• Checkout to this branch
• Init the submodule

git submodule update --init

• Make sure to have the C target built

make -C extern/didkit/lib ../target/test/c.stamp

• Run the tests

cd lib/didkit-go
go test

How to test it on a Go program

• Create a Go program
• Init git in the repo

git init

• Add DIDKit and SSI as submodules to your repo. (Since this is not merged yet you have to manually init the sub modules)

go get github.com/spruceid/didkit-go
git submodule add https://github.com/spruceid/didkit.git extern/didkit
git submodule add https://github.com/spruceid/ssi.git extern/ssi
cd extern/didkit
git checkout feature/go-package
git submodule update --init
cd ../ssi
git submodule update --init
cd ../..

• Build DIDKit C target

make -C extern/didkit/lib ../target/test/c.stamp

• Update the lib target

go mod edit -replace=github.com/spruceid/didkit-go=./extern/didkit/lib/didkit-go

• Write some code to test the lib

package main

import (
        "fmt"

        "github.com/spruceid/didkit-go"
)

func main() {
        fmt.Println(didkit.GenerateEd25519Key())
}

Testing example application

• Checkout to this branch
• Init the submodule

git submodule update --init

• Follow the instructions in the example README