85 lines
2.1 KiB
Go
85 lines
2.1 KiB
Go
// Copyright 2020 dfuse Platform Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package token
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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rice "github.com/GeertJohan/go.rice"
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"github.com/dfuse-io/solana-go"
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"github.com/dfuse-io/solana-go/rpc"
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)
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//go:generate rice embed-go
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func FetchMints(ctx context.Context, rpcCli *rpc.Client) (out []*Mint, err error) {
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resp, err := rpcCli.GetProgramAccounts(
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ctx,
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TOKEN_PROGRAM_ID,
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&rpc.GetProgramAccountsOpts{
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Filters: []rpc.RPCFilter{
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{
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DataSize: MINT_SIZE,
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},
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},
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},
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)
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if err != nil {
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return nil, err
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}
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if resp == nil {
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return nil, fmt.Errorf("resp empty... program account not found")
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}
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for _, keyedAcct := range resp {
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acct := keyedAcct.Account
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m, err := DecodeMint(acct.Data)
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if err != nil {
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return nil, fmt.Errorf("unable to decode mint %q: %w", acct.Owner.String(), err)
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}
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out = append(out, m)
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}
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return
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}
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func KnownMints(network string) ([]*MintMeta, error) {
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box := rice.MustFindBox("mints-data").MustBytes(network + "-tokens.json")
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if box == nil {
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return nil, fmt.Errorf("unable to retrieve known markets")
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}
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dec := json.NewDecoder(bytes.NewReader(box))
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var markets []*MintMeta
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err := dec.Decode(&markets)
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if err != nil {
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return nil, fmt.Errorf("unable to decode known markets: %w", err)
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}
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return markets, nil
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}
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func GetMint(ctx context.Context, cli *rpc.Client, mintPubKey solana.PublicKey) (*Mint, error) {
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acctInfo, err := cli.GetAccountInfo(ctx, mintPubKey)
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if err != nil {
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return nil, fmt.Errorf("unable to retrieve base mint: %w", err)
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}
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return DecodeMint(acctInfo.Value.Data)
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}
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