get_avm_genesis_bug_repro.go

package main

import (
	"fmt"

	"github.com/ava-labs/gecko/genesis"
	"github.com/ava-labs/gecko/ids"
	"github.com/ava-labs/gecko/vms/avm"
	"github.com/ava-labs/gecko/vms/platformvm"
)

func main() {
	chain := genesis.VMGenesis(12345, avm.ID)
	fmt.Println("Ava chain name:", chain.ChainName)
	fmt.Println("Ava chain network ID:", chain.NetworkID)
	fmt.Println("Ava chain GenesisData len:", len(chain.GenesisData))
	fmt.Println("Ava chain id:", chain.ID())
	fmt.Println("Ava chain addr:", chain.Key())
	fmt.Println("Ava chain bytes:", chain.Bytes())
	// Output:
	//
	// Ava chain name: AVM
	// Ava chain network ID: 12345
	// Ava chain GenesisData len: 124
	// Ava chain id: nil
	// Ava chain addr: <nil>
	// Ava chain bytes: []
}

func VMGenesisWithLogging(networkID uint32, vmID ids.ID) *platformvm.CreateChainTx {
	genesisBytes := genesis.Genesis(networkID)
	genesis := platformvm.Genesis{}
	platformvm.Codec.Unmarshal(genesisBytes, &genesis)

	fmt.Println("Genesis bytes len:", len(genesisBytes))
	fmt.Println("genesis.Timestamp", genesis.Timestamp)
	fmt.Println("genesis.Chains len:", len(genesis.Chains))

	for _, chain := range genesis.Chains {
		if chain.VMID.Equals(vmID) {
			return chain
		}
	}
	return nil
}