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contract_submitter.go
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contract_submitter.go
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package fluxmonitorv2
import (
"context"
"math/big"
"github.com/pkg/errors"
evmtypes "github.com/smartcontractkit/chainlink/v2/core/chains/evm/types"
"github.com/smartcontractkit/chainlink/v2/core/gethwrappers/generated/flux_aggregator_wrapper"
)
//go:generate mockery --quiet --name ContractSubmitter --output ./mocks/ --case=underscore
// FluxAggregatorABI initializes the Flux Aggregator ABI
var FluxAggregatorABI = evmtypes.MustGetABI(flux_aggregator_wrapper.FluxAggregatorABI)
// ContractSubmitter defines an interface to submit an eth tx.
type ContractSubmitter interface {
Submit(ctx context.Context, roundID *big.Int, submission *big.Int, idempotencyKey *string) error
}
// FluxAggregatorContractSubmitter submits the polled answer in an eth tx.
type FluxAggregatorContractSubmitter struct {
flux_aggregator_wrapper.FluxAggregatorInterface
orm ORM
keyStore KeyStoreInterface
gasLimit uint32
forwardingAllowed bool
chainID *big.Int
}
// NewFluxAggregatorContractSubmitter constructs a new NewFluxAggregatorContractSubmitter
func NewFluxAggregatorContractSubmitter(
contract flux_aggregator_wrapper.FluxAggregatorInterface,
orm ORM,
keyStore KeyStoreInterface,
gasLimit uint32,
forwardingAllowed bool,
chainID *big.Int,
) *FluxAggregatorContractSubmitter {
return &FluxAggregatorContractSubmitter{
FluxAggregatorInterface: contract,
orm: orm,
keyStore: keyStore,
gasLimit: gasLimit,
forwardingAllowed: forwardingAllowed,
chainID: chainID,
}
}
// Submit submits the answer by writing a EthTx for the txmgr to
// pick up
func (c *FluxAggregatorContractSubmitter) Submit(ctx context.Context, roundID *big.Int, submission *big.Int, idempotencyKey *string) error {
fromAddress, err := c.keyStore.GetRoundRobinAddress(c.chainID)
if err != nil {
return err
}
payload, err := FluxAggregatorABI.Pack("submit", roundID, submission)
if err != nil {
return errors.Wrap(err, "abi.Pack failed")
}
return errors.Wrap(
c.orm.CreateEthTransaction(ctx, fromAddress, c.Address(), payload, c.gasLimit, idempotencyKey),
"failed to send Eth transaction",
)
}