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util.go
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util.go
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package ocr2keeper
import (
"fmt"
"math/big"
kchain "github.com/smartcontractkit/ocr2keepers/pkg/chain"
ktypes "github.com/smartcontractkit/ocr2keepers/pkg/types"
"github.com/smartcontractkit/sqlx"
"github.com/smartcontractkit/chainlink-relay/pkg/types"
"github.com/smartcontractkit/chainlink/v2/core/chains/evm"
"github.com/smartcontractkit/chainlink/v2/core/logger"
"github.com/smartcontractkit/chainlink/v2/core/services/job"
"github.com/smartcontractkit/chainlink/v2/core/services/keystore/keys/ethkey"
"github.com/smartcontractkit/chainlink/v2/core/services/ocr2/models"
kevm "github.com/smartcontractkit/chainlink/v2/core/services/ocr2/plugins/ocr2keeper/evm"
"github.com/smartcontractkit/chainlink/v2/core/services/pipeline"
evmrelay "github.com/smartcontractkit/chainlink/v2/core/services/relay/evm"
)
var (
ErrNoChainFromSpec = fmt.Errorf("could not create chain from spec")
)
func EVMProvider(db *sqlx.DB, chain evm.Chain, lggr logger.Logger, spec job.Job, pr pipeline.Runner) (evmrelay.OCR2KeeperProvider, error) {
oSpec := spec.OCR2OracleSpec
ocr2keeperRelayer := evmrelay.NewOCR2KeeperRelayer(db, chain, pr, spec, lggr.Named("OCR2KeeperRelayer"))
keeperProvider, err := ocr2keeperRelayer.NewOCR2KeeperProvider(
types.RelayArgs{
ExternalJobID: spec.ExternalJobID,
JobID: oSpec.ID,
ContractID: oSpec.ContractID,
RelayConfig: oSpec.RelayConfig.Bytes(),
},
types.PluginArgs{
TransmitterID: oSpec.TransmitterID.String,
PluginConfig: oSpec.PluginConfig.Bytes(),
},
)
if err != nil {
return nil, fmt.Errorf("%w: failed to create new ocr2keeper provider", err)
}
return keeperProvider, nil
}
func EVMDependencies(spec job.Job, db *sqlx.DB, lggr logger.Logger, set evm.ChainSet, pr pipeline.Runner, mc *models.MercuryCredentials) (evmrelay.OCR2KeeperProvider, *kevm.EvmRegistry, ktypes.ReportEncoder, *LogProvider, error) {
var err error
var chain evm.Chain
var keeperProvider evmrelay.OCR2KeeperProvider
var registry *kevm.EvmRegistry
var encoder ktypes.ReportEncoder
oSpec := spec.OCR2OracleSpec
// get the chain from the config
chainID, err2 := spec.OCR2OracleSpec.RelayConfig.EVMChainID()
if err2 != nil {
return nil, nil, nil, nil, err2
}
chain, err2 = set.Get(big.NewInt(chainID))
if err2 != nil {
return nil, nil, nil, nil, fmt.Errorf("%w: %s", ErrNoChainFromSpec, err2)
}
// the provider will be returned as a dependency
if keeperProvider, err = EVMProvider(db, chain, lggr, spec, pr); err != nil {
return nil, nil, nil, nil, err
}
rAddr := ethkey.MustEIP55Address(oSpec.ContractID).Address()
if registry, err = kevm.NewEVMRegistryServiceV2_0(rAddr, chain, mc, lggr); err != nil {
return nil, nil, nil, nil, err
}
encoder = kchain.NewEVMReportEncoder()
// lookback blocks is hard coded and should provide ample time for logs
// to be detected in most cases
var lookbackBlocks int64 = 250
logProvider, err := NewLogProvider(lggr, chain.LogPoller(), rAddr, chain.Client(), lookbackBlocks)
return keeperProvider, registry, encoder, logProvider, err
}
func FilterNamesFromSpec(spec *job.OCR2OracleSpec) (names []string, err error) {
addr, err := ethkey.NewEIP55Address(spec.ContractID)
if err != nil {
return nil, err
}
return []string{logProviderFilterName(addr.Address()), kevm.UpkeepFilterName(addr.Address())}, err
}