bridge

type Bridge interface {
	// IsDepositProcessed returns true if a deposit with the given EVM tx hash already exists as an active
	// PendingDeposit or DepositReceipt contract.
	IsDepositProcessed(ctx context.Context, evmTxHash string) (bool, error)

	// GetWayfinderBridgeConfigCID returns the active WayfinderBridgeConfig contract id.
	GetWayfinderBridgeConfigCID(ctx context.Context) (string, error)

	// CreatePendingDeposit creates a PendingDeposit on Canton from an EVM deposit event.
	CreatePendingDeposit(ctx context.Context, req CreatePendingDepositRequest) (*PendingDeposit, error)

	// ProcessDepositAndMint processes a PendingDeposit and mints tokens (choice on WayfinderBridgeConfig).
	ProcessDepositAndMint(ctx context.Context, req ProcessDepositRequest) (*ProcessedDeposit, error)

	// InitiateWithdrawal creates a WithdrawalRequest for a user (choice on WayfinderBridgeConfig).
	InitiateWithdrawal(ctx context.Context, req InitiateWithdrawalRequest) (string, error)

	// ProcessWithdrawal exercises the ProcessWithdrawal choice on a WithdrawalRequest contract,
	// burning tokens on Canton and creating a WithdrawalEvent. Returns the WithdrawalEvent CID.
	ProcessWithdrawal(ctx context.Context, withdrawalRequestCID string) (string, error)

	// CompleteWithdrawal marks a WithdrawalEvent as completed after the EVM release is finalized.
	CompleteWithdrawal(ctx context.Context, req CompleteWithdrawalRequest) error

	// StreamWithdrawalEvents streams WithdrawalEvent contracts with automatic reconnection.
	StreamWithdrawalEvents(ctx context.Context, offset string) <-chan *WithdrawalEvent

	// GetLatestLedgerOffset returns the ledger end
	GetLatestLedgerOffset(ctx context.Context) (int64, error)
}

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

type CompleteWithdrawalRequest struct {
	WithdrawalEventCID string
	EvmTxHash          string
}

type Config struct {
	// DomainID is the Canton synchronizer/domain ID to submit commands against.
	DomainID string `yaml:"domain_id"`
	// UserID is the Canton user id (JWT subject) used for command submission.
	UserID string `yaml:"user_id"`
	// OperatorParty is the party that controls WayfinderBridgeConfig (the bridge operator).
	OperatorParty string `yaml:"operator_party"`
	// PackageID is the package id that contains Wayfinder.Bridge templates/choices.
	PackageID string `yaml:"package_id" validate:"required"`
	// CorePackageID is the package id for Bridge.Contracts (bridge-core package).
	// WithdrawalRequest and WithdrawalEvent live here, separate from PackageID.
	CorePackageID string `yaml:"core_package_id" validate:"required"`
	// Module is the DAML module name that contains WayfinderBridgeConfig template.
	Module string `yaml:"module" validate:"required"`
}

type CreatePendingDepositRequest struct {
	Fingerprint string
	Amount      string
	EvmTxHash   string
}

type InitiateWithdrawalRequest struct {
	MappingCID     string
	HoldingCID     string
	Amount         string
	EvmDestination string
}

type Option func(*settings)

type PendingDeposit struct {
	ContractID  string
	MappingCID  string
	Fingerprint string
	CreatedAt   time.Time
}

type ProcessDepositRequest struct {
	DepositCID string
	MappingCID string
}

type ProcessedDeposit struct {
	ContractID string
}

type WithdrawalEvent struct {
	ContractID     string
	EventID        string
	TransactionID  string
	Issuer         string
	UserParty      string
	EvmDestination string
	Amount         string
	Fingerprint    string
	Status         WithdrawalStatus
}

type WithdrawalRequest struct {
	ContractID      string
	Amount          string
	EvmDestination  string
	UserFingerprint string
	CreatedAt       time.Time
}

type WithdrawalStatus string