87 lines
1.9 KiB
Go
87 lines
1.9 KiB
Go
package lbrycrd
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import (
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"encoding/hex"
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"github.com/lbryio/lbry.go/v2/extras/errors"
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c "github.com/lbryio/lbryschema.go/claim"
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pb "github.com/lbryio/types/v2/go"
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"github.com/btcsuite/btcd/btcec"
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"github.com/btcsuite/btcd/wire"
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)
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func NewImageStreamClaim() (*c.ClaimHelper, error) {
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streamClaim := new(pb.Claim_Stream)
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stream := new(pb.Stream)
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image := new(pb.Stream_Image)
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image.Image = new(pb.Image)
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stream.Type = image
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streamClaim.Stream = stream
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pbClaim := new(pb.Claim)
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pbClaim.Type = streamClaim
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helper := c.ClaimHelper{Claim: pbClaim}
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return &helper, nil
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}
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func NewVideoStreamClaim() (*c.ClaimHelper, error) {
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streamClaim := new(pb.Claim_Stream)
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stream := new(pb.Stream)
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video := new(pb.Stream_Video)
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video.Video = new(pb.Video)
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stream.Type = video
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streamClaim.Stream = stream
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pbClaim := new(pb.Claim)
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pbClaim.Type = streamClaim
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helper := c.ClaimHelper{Claim: pbClaim}
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return &helper, nil
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}
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func NewStreamClaim(title, description string) (*c.ClaimHelper, error) {
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streamClaim := new(pb.Claim_Stream)
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stream := new(pb.Stream)
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streamClaim.Stream = stream
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pbClaim := new(pb.Claim)
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pbClaim.Type = streamClaim
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helper := c.ClaimHelper{Claim: pbClaim}
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helper.Title = title
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helper.Description = description
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return &helper, nil
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}
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func SignClaim(rawTx *wire.MsgTx, privKey btcec.PrivateKey, claim, channel *c.ClaimHelper, channelClaimID string) error {
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claimIDHexBytes, err := hex.DecodeString(channelClaimID)
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if err != nil {
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return errors.Err(err)
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}
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claim.Version = c.WithSig
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claim.ClaimID = rev(claimIDHexBytes)
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hash, err := c.GetOutpointHash(rawTx.TxIn[0].PreviousOutPoint.Hash.String(), rawTx.TxIn[0].PreviousOutPoint.Index)
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if err != nil {
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return err
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}
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sig, err := c.Sign(privKey, *channel, *claim, hash)
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if err != nil {
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return err
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}
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lbrySig, err := sig.LBRYSDKEncode()
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if err != nil {
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return err
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}
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claim.Signature = lbrySig
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return nil
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}
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