/
orca.go
217 lines (198 loc) · 5.99 KB
/
orca.go
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package source
import (
"context"
"fmt"
"strings"
"time"
"github.com/diadata-org/diadata/pkg/dia"
scrapers "github.com/diadata-org/diadata/pkg/dia/scraper/exchange-scrapers"
orcaWhirlpoolIdlBind "github.com/diadata-org/diadata/pkg/dia/scraper/exchange-scrapers/orca/whirlpool"
"github.com/diadata-org/diadata/pkg/utils"
bin "github.com/gagliardetto/binary"
tokenmetadata "github.com/gagliardetto/metaplex-go/clients/token-metadata"
"github.com/gagliardetto/solana-go"
"github.com/gagliardetto/solana-go/programs/token"
"github.com/gagliardetto/solana-go/programs/tokenregistry"
"github.com/gagliardetto/solana-go/rpc"
)
const (
orcaSolanaHttpEndpoint = "https://rpc.ankr.com/solana"
)
// The scraper object for Orca.
type OrcaAssetSource struct {
RestClient *rpc.Client
assetChannel chan dia.Asset
doneChannel chan bool
blockchain string
}
// Returns a new Orca asset scraper.
func NewOrcaScraper(exchange dia.Exchange) *OrcaAssetSource {
var (
assetChannel = make(chan dia.Asset)
doneChannel = make(chan bool)
pas *OrcaAssetSource
)
log.Infof("init rest and ws client for %s", exchange.BlockChain.Name)
restClient := rpc.New(utils.Getenv(strings.ToUpper(exchange.BlockChain.Name)+"_URI_REST", orcaSolanaHttpEndpoint))
pas = &OrcaAssetSource{
assetChannel: assetChannel,
doneChannel: doneChannel,
blockchain: exchange.BlockChain.Name,
RestClient: restClient,
}
go func() {
pas.loadMarketsMetadata()
}()
return pas
}
// Load markets and tokens metadata
func (pas *OrcaAssetSource) loadMarketsMetadata() {
log.Infof("loading initial data from pools ...")
start := time.Now()
err := pas.loadMarketPools()
if err != nil {
log.Error(err)
}
log.Infof("loaded legacy-pools data in %.1fs", time.Since(start).Seconds())
start = time.Now()
err = pas.loadMarketWhirlpools()
if err != nil {
log.Error(err)
}
log.Infof("loaded whirlpools data in %.1fs", time.Since(start).Seconds())
pas.doneChannel <- true
}
// Get Orca market whirlpools
func (pas *OrcaAssetSource) loadMarketWhirlpools() (err error) {
resp, err := pas.RestClient.GetProgramAccountsWithOpts(
context.TODO(),
solana.MustPublicKeyFromBase58(scrapers.OrcaProgWhirlpoolAddr),
&rpc.GetProgramAccountsOpts{
Filters: []rpc.RPCFilter{
{
DataSize: scrapers.OrcaProgWhirlpoolAccountDataSize,
},
},
},
)
if err != nil {
return
}
if resp == nil {
return fmt.Errorf("program account not found")
}
log.Infof("discovered %d accounts in whirlpool program, retrieving metadata ...", len(resp))
cachedAssets := make(map[string]bool)
for _, progAcc := range resp {
acct := progAcc.Account
pubKey := progAcc.Pubkey.String()
if acct.Owner.String() == scrapers.OrcaProgWhirlpoolAddr {
d := bin.NewBorshDecoder(acct.Data.GetBinary())
var w orcaWhirlpoolIdlBind.Whirlpool
err = d.Decode(&w)
if err != nil {
return err
}
// Blacklist XXX/USDC, ATLAS/USDC, SHIB/USDC
if pubKey == "FfBeru58Q7hjqHq9T2Trw1BeyjE1YwHsx9MivKUwoTLQ" || pubKey == "9vqFu6v9CcVDaSx2oRD3jo8H5gqkE2urYQgpT16V1BTa" || pubKey == "DahhciLA89UkZoqrqVWL2nojwPLmSVkXQGTiEhAtkaFa" {
continue
}
if w.WhirlpoolsConfig.String() == scrapers.OrcaProgWhirlpoolConfigAddr {
// Get token A mint data and metadata
if _, ok := cachedAssets[w.TokenMintA.String()]; !ok {
token, err := pas.getAssetData(w.TokenMintA.String())
if err != nil {
return err
}
pas.Asset() <- token
cachedAssets[token.Address] = true
}
// Get token B mint data and metadata
if _, ok := cachedAssets[w.TokenMintB.String()]; !ok {
token, err := pas.getAssetData(w.TokenMintB.String())
if err != nil {
return err
}
pas.Asset() <- token
cachedAssets[token.Address] = true
}
}
}
}
return
}
func (pas *OrcaAssetSource) getAssetData(mintAddress string) (asset dia.Asset, err error) {
if mintData, err := pas.getTokenMintData(mintAddress); err == nil {
asset.Decimals = mintData.Decimals
} else {
return asset, err
}
if metadata, err := pas.getTokenMetadata(mintAddress); err != nil {
hardcodedTokenMeta := scrapers.GetOrcaTokensMetadata()
if v, ok := hardcodedTokenMeta[mintAddress]; ok {
asset.Symbol = v.(scrapers.OrcaTokenMetadata).GetSymbol()
asset.Name = v.(scrapers.OrcaTokenMetadata).GetName()
} else {
log.Warnf("cannot found token metadata for %s: %s", mintAddress, err)
return asset, nil
}
} else {
asset.Symbol = strings.TrimRight(metadata.Data.Symbol, "\x00")
asset.Name = strings.TrimRight(metadata.Data.Name, "\x00")
}
asset.Address = mintAddress
asset.Blockchain = "Solana"
return asset, nil
}
// Get Solana token mint data
func (pas *OrcaAssetSource) getTokenMintData(account string) (mint token.Mint, err error) {
resp, err := pas.RestClient.GetAccountInfoWithOpts(
context.TODO(),
solana.MustPublicKeyFromBase58(account),
&rpc.GetAccountInfoOpts{},
)
if err != nil {
return
}
d := bin.NewBorshDecoder(resp.Value.Data.GetBinary())
err = d.Decode(&mint)
if err != nil {
return
}
return
}
// Get Solana token metadata
func (pas *OrcaAssetSource) getTokenMetadata(account string) (metadata tokenmetadata.Metadata, err error) {
accMint := solana.MustPublicKeyFromBase58(account)
tMeta, err := tokenregistry.GetTokenRegistryEntry(context.TODO(), pas.RestClient, accMint)
if err != nil {
metaAddress, _, err := solana.FindTokenMetadataAddress(accMint)
if err != nil {
return metadata, err
}
resp, err := pas.RestClient.GetAccountInfo(
context.TODO(),
metaAddress,
)
if err != nil {
return metadata, err
}
d := bin.NewBorshDecoder(resp.Value.Data.GetBinary())
err = d.Decode(&metadata)
if err != nil {
return metadata, err
}
return metadata, nil
}
return tokenmetadata.Metadata{Data: tokenmetadata.Data{Symbol: tMeta.Symbol.String()}}, nil
}
// Get Orca market legacy pools
func (pas *OrcaAssetSource) loadMarketPools() (err error) {
return
}
func (pas *OrcaAssetSource) Asset() chan dia.Asset {
return pas.assetChannel
}
func (pas *OrcaAssetSource) Done() chan bool {
return pas.doneChannel
}