Merge pull request #5 from gagliardetto/token-2

- Add client for token program.
- Add SendAndConfirmTransaction.
- Improve formatting of parsed transactions.

Author: gagliardetto

README.md

@@ -1,6 +1,6 @@
 # Solana SDK library for Go
 
-[![GoDoc](https://pkg.go.dev/badge/github.com/gagliardetto/solana-go?status.svg)](https://pkg.go.dev/github.com/gagliardetto/[email protected].3?tab=doc)
+[![GoDoc](https://pkg.go.dev/badge/github.com/gagliardetto/solana-go?status.svg)](https://pkg.go.dev/github.com/gagliardetto/[email protected].4?tab=doc)
 [![GitHub tag (latest SemVer pre-release)](https://img.shields.io/github/v/tag/gagliardetto/solana-go?include_prereleases&label=release-tag)](https://github.com/gagliardetto/solana-go/releases)
 [![Build Status](https://github.com/gagliardetto/solana-go/workflows/tests/badge.svg?branch=main)](https://github.com/gagliardetto/solana-go/actions?query=branch%3Amain)
 [![TODOs](https://badgen.net/https/api.tickgit.com/badgen/github.com/gagliardetto/solana-go/main)](https://www.tickgit.com/browse?repo=github.com/gagliardetto/solana-go&branch=main)
@@ -41,13 +41,23 @@ More contracts to come.
 - [x] Full WebSocket JSON streaming API
 - [ ] Wallet, account, and keys management
 - [ ] Clients for native programs
-- [ ] Clients for Solana Program Library
+  - [x] system
+  - [ ] config
+  - [ ] stake
+  - [ ] vote
+  - [ ] BPF Loader
+  - [ ] Secp256k1
+- [ ] Clients for Solana Program Library (SPL)
+  - [ ] token: WIP
+  - [ ] memo
+  - [ ] name-service
+  - [ ] ...
 - [ ] Client for Serum
 - [ ] More programs
 
 ## Current development status
 
-There is currently **no stable release**. The SDK is actively developed and latest is `v0.4.3` which is an `alpha` release.
+There is currently **no stable release**. The SDK is actively developed and latest is `v0.4.4` which is an `alpha` release.
 
 The RPC and WS client implementation is based on [this RPC spec](https://github.com/solana-labs/solana/blob/dff9c88193da142693cabebfcd3bf68fa8e8b873/docs/src/developing/clients/jsonrpc-api.md).
 
@@ -61,7 +71,7 @@ The RPC and WS client implementation is based on [this RPC spec](https://github.
 
 ```bash
 $ cd my-project
-$ go get github.com/gagliardetto/[email protected].3
+$ go get github.com/gagliardetto/[email protected].4
 $ go get github.com/gagliardetto/[email protected]
 $ go get github.com/gagliardetto/[email protected]
 ```

account.go

@@ -110,3 +110,39 @@ func (slice AccountMetaSlice) GetSigners() []*AccountMeta {
 	}
 	return signers
 }
+
+func (slice AccountMetaSlice) Len() int {
+	return len(slice)
+}
+
+func (slice AccountMetaSlice) SplitFrom(index int) (AccountMetaSlice, AccountMetaSlice) {
+	if index < 0 {
+		panic("negative index")
+	}
+	if index == 0 {
+		return AccountMetaSlice{}, slice
+	}
+	if index > len(slice)-1 {
+		return slice, AccountMetaSlice{}
+	}
+
+	firstLen, secondLen := calcSplitAtLengths(len(slice), index)
+
+	first := make(AccountMetaSlice, firstLen)
+	copy(first, slice[:index])
+
+	second := make(AccountMetaSlice, secondLen)
+	copy(second, slice[index:])
+
+	return first, second
+}
+
+func calcSplitAtLengths(total int, index int) (int, int) {
+	if index == 0 {
+		return 0, total
+	}
+	if index > total-1 {
+		return total, 0
+	}
+	return index, total - index
+}

account_test.go

@@ -140,3 +140,64 @@ func TestMeta(t *testing.T) {
 	require.True(t, meta.IsSigner)
 	require.True(t, meta.IsWritable)
 }
+
+func TestSplitFrom(t *testing.T) {
+	slice := make(AccountMetaSlice, 0)
+	slice = append(slice, Meta(BPFLoaderDeprecatedProgramID))
+	slice = append(slice, Meta(TokenProgramID))
+	slice = append(slice, Meta(TokenLendingProgramID))
+	slice = append(slice, Meta(SPLAssociatedTokenAccountProgramID))
+	slice = append(slice, Meta(MemoProgramID))
+
+	require.Len(t, slice, 5)
+
+	{
+		part1, part2 := slice.SplitFrom(0)
+		require.Len(t, part1, 0)
+		require.Len(t, part2, 5)
+	}
+	{
+		part1, part2 := slice.SplitFrom(1)
+		require.Len(t, part1, 1)
+		require.Len(t, part2, 4)
+		require.Equal(t, Meta(BPFLoaderDeprecatedProgramID), part1[0])
+		require.Equal(t, Meta(TokenProgramID), part2[0])
+		require.Equal(t, Meta(TokenLendingProgramID), part2[1])
+		require.Equal(t, Meta(SPLAssociatedTokenAccountProgramID), part2[2])
+		require.Equal(t, Meta(MemoProgramID), part2[3])
+	}
+	{
+		part1, part2 := slice.SplitFrom(2)
+		require.Len(t, part1, 2)
+		require.Len(t, part2, 3)
+	}
+	{
+		part1, part2 := slice.SplitFrom(3)
+		require.Len(t, part1, 3)
+		require.Len(t, part2, 2)
+	}
+	{
+		part1, part2 := slice.SplitFrom(4)
+		require.Len(t, part1, 4)
+		require.Len(t, part2, 1)
+	}
+	{
+		part1, part2 := slice.SplitFrom(5)
+		require.Len(t, part1, 5)
+		require.Len(t, part2, 0)
+	}
+	{
+		part1, part2 := slice.SplitFrom(6)
+		require.Len(t, part1, 5)
+		require.Len(t, part2, 0)
+	}
+	{
+		part1, part2 := slice.SplitFrom(10000)
+		require.Len(t, part1, 5)
+		require.Len(t, part2, 0)
+	}
+	require.Panics(t,
+		func() {
+			slice.SplitFrom(-1)
+		})
+}

cmd/slnc/cmd/token_get_mint.go

@@ -57,13 +57,13 @@ var tokenGetMintCmd = &cobra.Command{
 		out = append(out, fmt.Sprintf("Supply | %d", mint.Supply))
 		out = append(out, fmt.Sprintf("Decimals | %d", mint.Decimals))
 
-		if mint.MintAuthorityOption != 0 {
+		if mint.MintAuthority != nil {
 			out = append(out, fmt.Sprintf("Token Authority | %s", mint.MintAuthority))
 		} else {
 			out = append(out, "No mint authority")
 		}
 
-		if mint.FreezeAuthorityOption != 0 {
+		if mint.FreezeAuthority != nil {
 			out = append(out, fmt.Sprintf("Freeze Authority | %s", mint.FreezeAuthority))
 		} else {
 			out = append(out, "No freeze authority")

cmd/slnc/cmd/token_list_mints.go

@@ -36,16 +36,15 @@ var tokenListMintsCmd = &cobra.Command{
 		out := []string{"Mint | Decimals | Supply | Token Authority | Freeze Authority"}
 		for _, m := range mints {
 			line := []string{
-				fmt.Sprintf("%d", m.MintAuthorityOption),
 				fmt.Sprintf("%d", m.Supply),
 				fmt.Sprintf("%d", m.Decimals),
 			}
-			if m.MintAuthorityOption != 0 {
+			if m.MintAuthority != nil {
 				line = append(line, fmt.Sprintf("%s", m.MintAuthority))
 			} else {
 				line = append(line, "No mint authority")
 			}
-			if m.FreezeAuthorityOption != 0 {
+			if m.FreezeAuthority != nil {
 				line = append(line, fmt.Sprintf("%s", m.FreezeAuthority))
 			} else {
 				line = append(line, "No freeze authority")

go.mod

@@ -19,7 +19,7 @@ require (
 	github.com/fatih/color v1.7.0
 	github.com/gagliardetto/binary v0.4.1
 	github.com/gagliardetto/gofuzz v1.2.2
-	github.com/gagliardetto/treeout v0.1.2
+	github.com/gagliardetto/treeout v0.1.4
 	github.com/google/go-cmp v0.5.1
 	github.com/gorilla/rpc v1.2.0
 	github.com/gorilla/websocket v1.4.2

go.sum

@@ -93,8 +93,8 @@ github.com/gagliardetto/binary v0.4.1 h1:3HXeBOfmR2HHIrF1YBnoqgFKQBtN8+rWA770KyX
 github.com/gagliardetto/binary v0.4.1/go.mod h1:peJR9PvwamL4YOh1nHWCPLry2VEfeeD1ADvewka7HnQ=
 github.com/gagliardetto/gofuzz v1.2.2 h1:XL/8qDMzcgvR4+CyRQW9UGdwPRPMHVJfqQ/uMvSUuQw=
 github.com/gagliardetto/gofuzz v1.2.2/go.mod h1:bkH/3hYLZrMLbfYWA0pWzXmi5TTRZnu4pMGZBkqMKvY=
-github.com/gagliardetto/treeout v0.1.2 h1:WXO7LDJTwINO37OQfNlf7s095Z1bAiwN2ACaZQic33Q=
-github.com/gagliardetto/treeout v0.1.2/go.mod h1:loUefvXTrlRG5rYmJmExNryyBRh8f89VZhmMOyCyqok=
+github.com/gagliardetto/treeout v0.1.4 h1:ozeYerrLCmCubo1TcIjFiOWTTGteOOHND1twdFpgwaw=
+github.com/gagliardetto/treeout v0.1.4/go.mod h1:loUefvXTrlRG5rYmJmExNryyBRh8f89VZhmMOyCyqok=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=

keys.go

@@ -332,7 +332,7 @@ func findAssociatedTokenAddressAndBumpSeed(
 ) (PublicKey, uint8, error) {
 	return FindProgramAddress([][]byte{
 		walletAddress[:],
-		SPLTokenProgramID[:],
+		TokenProgramID[:],
 		splTokenMintAddress[:],
 	},
 		programID,

program_ids.go

@@ -29,15 +29,15 @@ var (
 var (
 	// A Token program on the Solana blockchain.
 	// This program defines a common implementation for Fungible and Non Fungible tokens.
-	SPLTokenProgramID = MustPublicKeyFromBase58("TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA")
+	TokenProgramID = MustPublicKeyFromBase58("TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA")
 
 	// A Uniswap-like exchange for the Token program on the Solana blockchain,
 	// implementing multiple automated market maker (AMM) curves.
-	SPLTokenSwapProgramID = MustPublicKeyFromBase58("SwaPpA9LAaLfeLi3a68M4DjnLqgtticKg6CnyNwgAC8")
-	SPLTokenSwapFeeOwner  = MustPublicKeyFromBase58("HfoTxFR1Tm6kGmWgYWD6J7YHVy1UwqSULUGVLXkJqaKN")
+	TokenSwapProgramID = MustPublicKeyFromBase58("SwaPpA9LAaLfeLi3a68M4DjnLqgtticKg6CnyNwgAC8")
+	TokenSwapFeeOwner  = MustPublicKeyFromBase58("HfoTxFR1Tm6kGmWgYWD6J7YHVy1UwqSULUGVLXkJqaKN")
 
 	// A lending protocol for the Token program on the Solana blockchain inspired by Aave and Compound.
-	SPLTokenLendingProgramID = MustPublicKeyFromBase58("LendZqTs8gn5CTSJU1jWKhKuVpjJGom45nnwPb2AMTi")
+	TokenLendingProgramID = MustPublicKeyFromBase58("LendZqTs8gn5CTSJU1jWKhKuVpjJGom45nnwPb2AMTi")
 
 	// This program defines the convention and provides the mechanism for mapping
 	// the user's wallet address to the associated token accounts they hold.
@@ -49,5 +49,14 @@ var (
 	// to the transaction log, so that anyone can easily observe memos
 	// and know they were approved by zero or more addresses
 	// by inspecting the transaction log from a trusted provider.
-	SPLMemoProgramID = MustPublicKeyFromBase58("MemoSq4gqABAXKb96qnH8TysNcWxMyWCqXgDLGmfcHr")
+	MemoProgramID = MustPublicKeyFromBase58("MemoSq4gqABAXKb96qnH8TysNcWxMyWCqXgDLGmfcHr")
+)
+
+var (
+	// The Mint for native SOL Token accounts
+	SolMint = MustPublicKeyFromBase58("So11111111111111111111111111111111111111112")
+)
+
+var (
+	TokenMetadataProgramID = MustPublicKeyFromBase58("metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s")
 )

programs/system/AdvanceNonceAccount.go

@@ -103,9 +103,9 @@ func (inst *AdvanceNonceAccount) EncodeToTree(parent ag_treeout.Branches) {
 
 					// Accounts of the instruction:
 					instructionBranch.Child("Accounts").ParentFunc(func(accountsBranch ag_treeout.Branches) {
-						accountsBranch.Child(ag_format.Meta("NonceAccount", inst.AccountMetaSlice[0]))
-						accountsBranch.Child(ag_format.Meta("$(SysVarRecentBlockHashesPubkey)", inst.AccountMetaSlice[1]))
-						accountsBranch.Child(ag_format.Meta("NonceAuthorityAccount", inst.AccountMetaSlice[2]))
+						accountsBranch.Child(ag_format.Meta("                  Nonce", inst.AccountMetaSlice[0]))
+						accountsBranch.Child(ag_format.Meta("SysVarRecentBlockHashes", inst.AccountMetaSlice[1]))
+						accountsBranch.Child(ag_format.Meta("         NonceAuthority", inst.AccountMetaSlice[2]))
 					})
 				})
 		})