portaltokens

package
v0.0.0-...-7ece11e Latest Latest
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 Go to latest Published: Aug 29, 2023 License: MIT Imports: 18 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source 
var Logger = PortalTokenLoggerV4{}

Global instant to use

Functions

This section is empty.

Types

type BroadcastTx 

type BroadcastTx struct {
	UTXOs       []*statedb.UTXO
	UnshieldIDs []string
}

type OutputTx 

type OutputTx struct {
	ReceiverAddress string
	Amount          uint64
}

type PortalBTCTokenProcessor 

type PortalBTCTokenProcessor struct {
	*PortalToken
	ChainParam    *chaincfg.Params
	PortalTokenID string
}

func (PortalBTCTokenProcessor) AppendTinyUTXOs 

func (p PortalBTCTokenProcessor) AppendTinyUTXOs(
	batchTxs []*BroadcastTx, sortedUTXOs []utxoItem, thresholdTinyValue uint64, minUTXOs uint64,
) []*BroadcastTx

func (PortalBTCTokenProcessor) AppendWaitingUnshieldRequests 

func (p PortalBTCTokenProcessor) AppendWaitingUnshieldRequests(
	batchTxs []*BroadcastTx, remainUnshieldReqs []unshieldItem,
	waitingUnshieldReqs map[string]*statedb.WaitingUnshieldRequest,
) []*BroadcastTx

func (PortalBTCTokenProcessor) CalculateTinyUTXONumber 

func (p PortalBTCTokenProcessor) CalculateTinyUTXONumber(batchTx *BroadcastTx, maxUTXOsCanPick int) int

func (PortalBTCTokenProcessor) ChooseUTXOsForUnshieldReq 

func (p PortalBTCTokenProcessor) ChooseUTXOsForUnshieldReq(
	utxos []utxoItem, unshieldAmount uint64,
) ([]utxoItem, []int, error)

func (PortalBTCTokenProcessor) ConvertExternalToIncAmount 

func (p PortalBTCTokenProcessor) ConvertExternalToIncAmount(externalAmt uint64) uint64

func (PortalBTCTokenProcessor) ConvertIncToExternalAmount 

func (p PortalBTCTokenProcessor) ConvertIncToExternalAmount(incAmt uint64) uint64

func (PortalBTCTokenProcessor) CreateRawExternalTx 

func (p PortalBTCTokenProcessor) CreateRawExternalTx(inputs []*statedb.UTXO, outputs []*OutputTx, feePerOutput uint64,
	bc metadata.ChainRetriever, beaconHeight uint64) (string, string, error)

CreateRawExternalTx creates raw btc transaction (not include signatures of beacon validator) inputs: UTXO state of beacon, unit of amount in btc outputs: unit of amount in pbtc ~ unshielding amount feePerOutput: unit in pbtc

func (PortalBTCTokenProcessor) EstimateTxSize 

func (p PortalBTCTokenProcessor) EstimateTxSize(numInputs int, numOutputs int) uint

func (PortalBTCTokenProcessor) GenerateOTMultisigAddress 

func (p PortalBTCTokenProcessor) GenerateOTMultisigAddress(masterPubKeys [][]byte, numSigsRequired int, chainCodeSeed string) ([]byte, string, error)

Generate Bech32 P2WSH multisig address for each Incognito address Return redeem script, OTMultisigAddress

func (PortalBTCTokenProcessor) GetChainID 

func (p PortalBTCTokenProcessor) GetChainID() string

func (PortalBTCTokenProcessor) GetMinTokenAmount 

func (p PortalBTCTokenProcessor) GetMinTokenAmount() uint64

func (PortalBTCTokenProcessor) GetMultipleTokenAmount 

func (p PortalBTCTokenProcessor) GetMultipleTokenAmount() uint64

func (PortalBTCTokenProcessor) GetPortalTokenID 

func (p PortalBTCTokenProcessor) GetPortalTokenID() string

func (PortalBTCTokenProcessor) GetTxHashFromProof 

func (p PortalBTCTokenProcessor) GetTxHashFromProof(proof string) (string, error)

func (PortalBTCTokenProcessor) GetTxHashFromRawTx 

func (p PortalBTCTokenProcessor) GetTxHashFromRawTx(rawTx string) (string, error)

func (PortalBTCTokenProcessor) IsAcceptableTxSize 

func (p PortalBTCTokenProcessor) IsAcceptableTxSize(numInputs int, numOutputs int) bool

func (PortalBTCTokenProcessor) IsValidRemoteAddress 

func (p PortalBTCTokenProcessor) IsValidRemoteAddress(address string, bcr metadata.ChainRetriever) (bool, error)

func (PortalBTCTokenProcessor) MatchUTXOsAndUnshieldIDs 

func (p PortalBTCTokenProcessor) MatchUTXOsAndUnshieldIDs(
	utxos map[string]*statedb.UTXO,
	waitingUnshieldReqs map[string]*statedb.WaitingUnshieldRequest,
	dustValueThreshold uint64) []*BroadcastTx

TODO: update Choose list of pairs (UTXOs and unshield IDs) for broadcast external transactions

func (PortalBTCTokenProcessor) MatchUTXOsAndUnshieldIDsNew 

func (p PortalBTCTokenProcessor) MatchUTXOsAndUnshieldIDsNew(
	utxos map[string]*statedb.UTXO,
	waitingUnshieldReqs map[string]*statedb.WaitingUnshieldRequest,
	tinyValueThreshold uint64,
	minUTXOs uint64,
) ([]*BroadcastTx, error)

func (PortalBTCTokenProcessor) MergeBatches 

func (p PortalBTCTokenProcessor) MergeBatches(batchTxs []*BroadcastTx) []*BroadcastTx

func (PortalBTCTokenProcessor) ParseAndVerifyShieldProof 

func (p PortalBTCTokenProcessor) ParseAndVerifyShieldProof(
	proof string, bc metadata.ChainRetriever, expectedReceivedMultisigAddress string, chainCodeSeed string, minShieldAmt uint64,
) (bool, []*statedb.UTXO, error)

func (PortalBTCTokenProcessor) ParseAndVerifyUnshieldProof 

func (p PortalBTCTokenProcessor) ParseAndVerifyUnshieldProof(
	proof string,
	bc metadata.ChainRetriever,
	expectedReceivedMultisigAddress string,
	chainCodeSeed string,
	expectPaymentInfo []*OutputTx,
	utxos []*statedb.UTXO,
) (bool, []*statedb.UTXO, string, uint64, error)

func (PortalBTCTokenProcessor) PartSignOnRawExternalTx 

func (p PortalBTCTokenProcessor) PartSignOnRawExternalTx(seedKey []byte, masterPubKeys [][]byte, numSigsRequired int, rawTxBytes []byte, inputs []*statedb.UTXO) ([][]byte, string, error)

type PortalToken 

type PortalToken struct {
	ChainID             string
	MinTokenAmount      uint64 // set MinTokenAmount to avoid attacking with amount is less than smallest unit of cryptocurrency, such as satoshi in BTC
	MultipleTokenAmount uint64 // amount token must be a multiple of this param in order to avoid not consistent when converting between public token and private token
	ExternalInputSize   uint   // they are used to estimate size of external txs (in byte)
	ExternalOutputSize  uint
	ExternalTxMaxSize   uint
}

type PortalTokenLoggerV4 

type PortalTokenLoggerV4 struct {
	// contains filtered or unexported fields
}

func (*PortalTokenLoggerV4) Init 

func (portalTokenLogger *PortalTokenLoggerV4) Init(inst common.Logger)

type PortalTokenProcessor 

type PortalTokenProcessor interface {
	IsValidRemoteAddress(address string, bcr metadata.ChainRetriever) (bool, error)
	GetChainID() string
	GetMinTokenAmount() uint64
	GetMultipleTokenAmount() uint64
	ConvertExternalToIncAmount(incAmt uint64) uint64
	ConvertIncToExternalAmount(incAmt uint64) uint64
	GetTxHashFromRawTx(rawTx string) (string, error)

	GetTxHashFromProof(proof string) (string, error)
	ParseAndVerifyShieldProof(
		proof string, bc metadata.ChainRetriever, expectedReceivedMultisigAddress string, chainCodeSeed string, minShieldAmt uint64) (bool, []*statedb.UTXO, error)
	ParseAndVerifyUnshieldProof(
		proof string, bc metadata.ChainRetriever, expectedReceivedMultisigAddress string, chainCodeSeed string, expectPaymentInfo []*OutputTx, utxos []*statedb.UTXO) (bool, []*statedb.UTXO, string, uint64, error)
	MatchUTXOsAndUnshieldIDs(utxos map[string]*statedb.UTXO, waitingUnshieldReqs map[string]*statedb.WaitingUnshieldRequest, tinyAmount uint64) []*BroadcastTx
	MatchUTXOsAndUnshieldIDsNew(
		utxos map[string]*statedb.UTXO,
		waitingUnshieldReqs map[string]*statedb.WaitingUnshieldRequest,
		tinyAmount uint64,
		minUTXOs uint64) ([]*BroadcastTx, error)

	CreateRawExternalTx(inputs []*statedb.UTXO, outputs []*OutputTx, networkFee uint64,
		bc metadata.ChainRetriever, beaconHeight uint64) (string, string, error)
	PartSignOnRawExternalTx(seedKey []byte, masterPubKeys [][]byte, numSigsRequired int, rawTxBytes []byte, inputs []*statedb.UTXO) ([][]byte, string, error)
	GenerateOTMultisigAddress(masterPubKeys [][]byte, numSigsRequired int, chainCodeSeed string) ([]byte, string, error)
	GetPortalTokenID() string
}

Source Files

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