encode_proposal.go

package main

import (
	"encoding/base64"
	"encoding/json"
	"fmt"
	"time"

	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
	sdk "github.com/cosmos/cosmos-sdk/types"
	govv1 "github.com/cosmos/cosmos-sdk/x/gov/types/v1"

	customgovtypes "github.com/mars-protocol/hub/x/gov/types"
	incentivestypes "github.com/mars-protocol/hub/x/incentives/types"
)

type StargateMsg struct {
	TypeURL string `json:"type_url"`
	Value   string `json:"value"`
}

// the gov module account, which will be the executing authority of payloads
// in the proposal
const govModuleAcct = "mars10d07y265gmmuvt4z0w9aw880jnsr700j8l2urg"

var (
	// the multisig's address
	proposer = "mars1fzm6gzyccl8jvdv3qq6hp9vs6ylaruervs4m06c7k0ntzn2f8faqtl66fc"

	// the messages to be executed if the gov proposal passes
	payload = []sdk.Msg{
		&incentivestypes.MsgCreateSchedule{
			Authority: govModuleAcct,
			StartTime: time.Date(2023, time.January, 15, 0, 0, 0, 0, time.UTC),
			EndTime:   time.Date(2023, time.January, 16, 0, 0, 0, 0, time.UTC),
			Amount:    sdk.NewCoins(sdk.NewCoin("umars", sdk.NewInt(10_000_000))),
		},
	}

	// metadata of the proposal
	metadata = customgovtypes.ProposalMetadata{
		Title:   "[TEST] Create an incentives schedule",
		Summary: "If passed, a staking incentive schedule will be created, starting at 2023-01-15 00:00:00 UTC, lasting for 1 day, releasing a total of 10 MARS to stakers.",
	}

	// initial deposit to be made
	deposit = sdk.NewCoins()
)

func main() {
	metadataBytes, err := json.Marshal(&metadata)
	if err != nil {
		panic(err)
	}

	msg, err := govv1.NewMsgSubmitProposal(payload, deposit, proposer, string(metadataBytes))
	if err != nil {
		panic(err)
	}

	any, err := codectypes.NewAnyWithValue(msg)
	if err != nil {
		panic(err)
	}

	stargateMsg := StargateMsg{
		TypeURL: any.TypeUrl,
		Value:   base64.StdEncoding.EncodeToString(any.Value),
	}

	stargateMsgBytes, err := json.MarshalIndent(&stargateMsg, "", "  ")
	if err != nil {
		panic(err)
	}

	fmt.Println(string(stargateMsgBytes))
}