banker_coins_payment_copy_filetest.gno

 1// PKGPATH: gno.land/r/treasury/main
 2
 3package main
 4
 5import (
 6	"chain"
 7	"chain/banker"
 8	"testing"
 9
10	"gno.land/p/nt/treasury/v0"
11)
12
13// coins is this realm's own slice. It is handed to NewCoinsPayment and then
14// rewritten, which is what a realm supplying the coins for a governance
15// payment proposal can do between the vote and the execution.
16var coins = chain.Coins{chain.Coin{Denom: "ugnot", Amount: 10}}
17
18func main(cur realm) {
19	ownerAddr := chain.PackageAddress("gno.land/r/treasury/main")
20	destAddr := chain.PackageAddress("gno.land/r/dest/main")
21
22	banker_ := banker.NewBanker(banker.BankerTypeRealmSend, cur)
23	cbanker, err := treasury.NewCoinsBankerWithOwner(ownerAddr, banker_)
24	if err != nil {
25		panic("failed to create CoinsBanker: " + err.Error())
26	}
27	testing.IssueCoins(ownerAddr, chain.NewCoins(chain.NewCoin("ugnot", 1000)))
28
29	payment := treasury.NewCoinsPayment(coins, destAddr)
30	println("payment as created:", payment.String())
31
32	// The supplying realm rewrites its own array. The payment must not follow.
33	coins[0].Amount = 900
34	println("payment after the rewrite:", payment.String())
35
36	if err := cbanker.Send(0, cur, payment); err != nil {
37		panic("failed to send payment: " + err.Error())
38	}
39	println("owner balance after send:", cbanker.Balances()[0].Amount)
40}
41
42// Output:
43// payment as created: 10ugnot to g1fs92ep7z5vtrp26d767ag3zztsd6wqn9rew4ve
44// payment after the rewrite: 10ugnot to g1fs92ep7z5vtrp26d767ag3zztsd6wqn9rew4ve
45// owner balance after send: 990