Added claim example

example/claim/main.go

@@ -0,0 +1,94 @@
+package main
+
+import (
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+	"io"
+	"log"
+	"math/rand"
+	"net/http"
+
+	"github.com/xssnick/tonutils-go/address"
+	"github.com/xssnick/tonutils-go/tvm/cell"
+)
+
+const COMPRESSED_NFT_API_URL = "http://localhost:8081/v1"
+
+func main() {
+	// 1. Fetch collection state
+	resp, err := http.Get(fmt.Sprintf("%s/state", COMPRESSED_NFT_API_URL))
+	if err != nil {
+		log.Fatalln("Fetch state err:", err.Error())
+		return
+	}
+	defer resp.Body.Close()
+
+	b, err := io.ReadAll(resp.Body)
+	if err != nil {
+		log.Fatalln("ReadAll state err:", err.Error())
+		return
+	}
+
+	var state struct {
+		Address string `json:"address"`
+	}
+	err = json.Unmarshal(b, &state)
+	if err != nil {
+		log.Fatalln("Unmarshal state err:", err.Error())
+		return
+	}
+
+	// 2. Fetch proof cell for a specific item (by its index)
+	var itemIndex uint64 = 1
+	resp, err = http.Get(fmt.Sprintf("%s/items/%d", COMPRESSED_NFT_API_URL, itemIndex))
+	if err != nil {
+		log.Fatalln("Fetch item err:", err.Error())
+		return
+	}
+	defer resp.Body.Close()
+
+	b, err = io.ReadAll(resp.Body)
+	if err != nil {
+		log.Fatalln("ReadAll item err:", err.Error())
+		return
+	}
+
+	var item struct {
+		ProofCellBase64 string `json:"proof_cell"`
+	}
+	err = json.Unmarshal(b, &item)
+	if err != nil {
+		log.Fatalln("Unmarshal item err:", err.Error())
+		return
+	}
+
+	// 3. Prepare payload for the claim transacation
+	proofCellDecoded, err := base64.StdEncoding.DecodeString(item.ProofCellBase64)
+	if err != nil {
+		log.Fatalln("DecodeString err:", err.Error())
+		return
+	}
+	proofCell, err := cell.FromBOC(proofCellDecoded)
+	if err != nil {
+		log.Fatalln("FromBOC err:", err.Error())
+		return
+	}
+	payload := cell.BeginCell().
+		MustStoreUInt(0x13a3ca6, 32).
+		MustStoreUInt(rand.Uint64(), 64).
+		MustStoreUInt(itemIndex, 256).
+		MustStoreRef(proofCell).
+		EndCell()
+
+	// 4. Complete the transaction
+	collectionAddrs := address.MustParseRawAddr(state.Address)
+	amount := "85000000" // Claim transaction min is 0.085 TON (https://github.com/ton-community/compressed-nft-contract/blob/de529e67971f0c888ef496cf983d681a5a13a06b/contracts/collection_new.fc#L22)
+	link := fmt.Sprintf(
+		"ton://transfer/%v?amount=%s&bin=%v",
+		collectionAddrs.String(),
+		amount,
+		base64.RawURLEncoding.EncodeToString(payload.ToBOC()),
+	)
+	fmt.Println(link)
+}

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/labstack/echo/v4 v4.10.2
 	github.com/rs/zerolog v1.29.1
 	github.com/spf13/cobra v1.7.0
-	github.com/xssnick/tonutils-go v1.7.4
+	github.com/xssnick/tonutils-go v1.9.7
 )
 
 require (
@@ -30,10 +30,10 @@ require (
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.2 // indirect
 	go.uber.org/atomic v1.7.0 // indirect
-	golang.org/x/crypto v0.9.0 // indirect
+	golang.org/x/crypto v0.17.0 // indirect
 	golang.org/x/net v0.10.0 // indirect
 	golang.org/x/sync v0.2.0 // indirect
-	golang.org/x/sys v0.10.0 // indirect
-	golang.org/x/text v0.9.0 // indirect
+	golang.org/x/sys v0.15.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
 )

go.sum

@@ -78,12 +78,12 @@ github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyC
 github.com/valyala/fasttemplate v1.2.1/go.mod h1:KHLXt3tVN2HBp8eijSv/kGJopbvo7S+qRAEEKiv+SiQ=
 github.com/valyala/fasttemplate v1.2.2 h1:lxLXG0uE3Qnshl9QyaK6XJxMXlQZELvChBOCmQD0Loo=
 github.com/valyala/fasttemplate v1.2.2/go.mod h1:KHLXt3tVN2HBp8eijSv/kGJopbvo7S+qRAEEKiv+SiQ=
-github.com/xssnick/tonutils-go v1.7.4 h1:t27eGhwkmaiSyslzZDAdOxM5cuEEjP2fMbyVxnXYWu0=
-github.com/xssnick/tonutils-go v1.7.4/go.mod h1:wH8ldhLueyfXW15r3MyaIq9YzA+8bzvL6UMU2BLp08g=
+github.com/xssnick/tonutils-go v1.9.7 h1:DRlTp9I4LmMXCQEIkoAT4H+10ShSz24tuzScg+SdThU=
+github.com/xssnick/tonutils-go v1.9.7/go.mod h1:p1l1Bxdv9sz6x2jfbuGQUGJn6g5cqg7xsTp8rBHFoJY=
 go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
-golang.org/x/crypto v0.9.0 h1:LF6fAI+IutBocDJ2OT0Q1g8plpYljMZ4+lty+dsqw3g=
-golang.org/x/crypto v0.9.0/go.mod h1:yrmDGqONDYtNj3tH8X9dzUun2m2lzPa9ngI6/RUPGR0=
+golang.org/x/crypto v0.17.0 h1:r8bRNjWL3GshPW3gkd+RpvzWrZAwPS49OmTGZ/uhM4k=
+golang.org/x/crypto v0.17.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
 golang.org/x/mod v0.10.0 h1:lFO9qtOdlre5W1jxS3r/4szv2/6iXxScdzjoBMXNhYk=
 golang.org/x/net v0.10.0 h1:X2//UzNDwYmtCLn7To6G58Wr6f5ahEAQgKNzv9Y951M=
 golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
@@ -94,10 +94,10 @@ golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20211103235746-7861aae1554b/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
-golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
-golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
+golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/time v0.3.0 h1:rg5rLMjNzMS1RkNLzCG38eapWhnYLFYXDXj2gOlr8j4=
 golang.org/x/time v0.3.0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.9.1 h1:8WMNJAz3zrtPmnYC7ISf5dEn3MT0gY7jBJfw27yrrLo=