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inference_request.go
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/
inference_request.go
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package emissions
import (
"crypto/sha256"
"encoding/binary"
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
)
func (m *InferenceRequest) GetRequestBytes() (ret []byte, err error) {
senderAddr, err := sdk.AccAddressFromBech32(m.Sender)
if err != nil {
return []byte{}, err
}
senderBytes := senderAddr.Bytes()
nonceBytes := make([]byte, 8)
binary.LittleEndian.PutUint64(nonceBytes, m.Nonce)
ret = append(senderBytes, nonceBytes...)
topicIdBytes := make([]byte, 8)
binary.LittleEndian.PutUint64(topicIdBytes, m.TopicId)
ret = append(ret, topicIdBytes...)
return ret, nil
}
// a request id is a hash of (sender, nonce, topicId)
func (m *InferenceRequest) GetRequestId() (string, error) {
inferenceRequestBytes, err := m.GetRequestBytes()
if err != nil {
return "", err
}
reqId := sha256.Sum256(inferenceRequestBytes)
return fmt.Sprintf("0x%x", reqId), nil
}
// Convenience helper function that wraps a RequestInferenceListItem into an InferenceRequest
// one is passed as the msg in a msg handler, while the other is stored in the state machine
func CreateNewInferenceRequestFromListItem(sender string, item *RequestInferenceListItem) *InferenceRequest {
newInferenceRequest := &InferenceRequest{
Sender: sender,
Nonce: item.Nonce,
TopicId: item.TopicId,
Cadence: item.Cadence,
MaxPricePerInference: item.MaxPricePerInference,
BidAmount: item.BidAmount,
TimestampValidUntil: item.TimestampValidUntil,
LastChecked: 0,
ExtraData: item.ExtraData,
}
return newInferenceRequest
}