access

package
v0.10.4-reload-pending... Latest Latest
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 Go to latest Published: Oct 30, 2020 License: AGPL-3.0 Imports: 13 Imported by: 14

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Index

Constants

This section is empty.

Variables

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var ErrUnknownReferenceBlock = errors.New("unknown reference block")

ErrUnknownReferenceBlock indicates that a transaction references an unknown block.

Functions

func TransactionResultToMessage 

func TransactionResultToMessage(result *TransactionResult) *access.TransactionResultResponse

Types

type API 

type API interface {
	Ping(ctx context.Context) error
	GetNetworkParameters(ctx context.Context) NetworkParameters

	GetLatestBlockHeader(ctx context.Context, isSealed bool) (*flow.Header, error)
	GetBlockHeaderByHeight(ctx context.Context, height uint64) (*flow.Header, error)
	GetBlockHeaderByID(ctx context.Context, id flow.Identifier) (*flow.Header, error)

	GetLatestBlock(ctx context.Context, isSealed bool) (*flow.Block, error)
	GetBlockByHeight(ctx context.Context, height uint64) (*flow.Block, error)
	GetBlockByID(ctx context.Context, id flow.Identifier) (*flow.Block, error)

	GetCollectionByID(ctx context.Context, id flow.Identifier) (*flow.LightCollection, error)

	SendTransaction(ctx context.Context, tx *flow.TransactionBody) error
	GetTransaction(ctx context.Context, id flow.Identifier) (*flow.TransactionBody, error)
	GetTransactionResult(ctx context.Context, id flow.Identifier) (*TransactionResult, error)

	GetAccount(ctx context.Context, address flow.Address) (*flow.Account, error)
	GetAccountAtLatestBlock(ctx context.Context, address flow.Address) (*flow.Account, error)
	GetAccountAtBlockHeight(ctx context.Context, address flow.Address, height uint64) (*flow.Account, error)

	ExecuteScriptAtLatestBlock(ctx context.Context, script []byte, arguments [][]byte) ([]byte, error)
	ExecuteScriptAtBlockHeight(ctx context.Context, blockHeight uint64, script []byte, arguments [][]byte) ([]byte, error)
	ExecuteScriptAtBlockID(ctx context.Context, blockID flow.Identifier, script []byte, arguments [][]byte) ([]byte, error)

	GetEventsForHeightRange(ctx context.Context, eventType string, startHeight, endHeight uint64) ([]flow.BlockEvents, error)
	GetEventsForBlockIDs(ctx context.Context, eventType string, blockIDs []flow.Identifier) ([]flow.BlockEvents, error)
}

API provides all public-facing functionality of the Flow Access API.

type Blocks 

type Blocks interface {
	HeaderByID(id flow.Identifier) (*flow.Header, error)
	FinalizedHeader() (*flow.Header, error)
}

type ExpiredTransactionError 

type ExpiredTransactionError struct {
	RefHeight, FinalHeight uint64
}

ExpiredTransactionError indicates that a transaction has expired.

func (ExpiredTransactionError) Error 

func (e ExpiredTransactionError) Error() string

type Handler 

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

func NewHandler 

func NewHandler(api API, chain flow.Chain) *Handler

func (*Handler) ExecuteScriptAtBlockHeight 

func (h *Handler) ExecuteScriptAtBlockHeight(
	ctx context.Context,
	req *access.ExecuteScriptAtBlockHeightRequest,
) (*access.ExecuteScriptResponse, error)

ExecuteScriptAtBlockHeight executes a script at a specific block height.

func (*Handler) ExecuteScriptAtBlockID 

func (h *Handler) ExecuteScriptAtBlockID(
	ctx context.Context,
	req *access.ExecuteScriptAtBlockIDRequest,
) (*access.ExecuteScriptResponse, error)

ExecuteScriptAtBlockID executes a script at a specific block ID.

func (*Handler) ExecuteScriptAtLatestBlock 

func (h *Handler) ExecuteScriptAtLatestBlock(
	ctx context.Context,
	req *access.ExecuteScriptAtLatestBlockRequest,
) (*access.ExecuteScriptResponse, error)

ExecuteScriptAtLatestBlock executes a script at a the latest block.

func (*Handler) GetAccount 

func (h *Handler) GetAccount(
	ctx context.Context,
	req *access.GetAccountRequest,
) (*access.GetAccountResponse, error)

GetAccount returns an account by address at the latest sealed block.

func (*Handler) GetAccountAtBlockHeight 

func (h *Handler) GetAccountAtBlockHeight(
	ctx context.Context,
	req *access.GetAccountAtBlockHeightRequest,
) (*access.AccountResponse, error)

func (*Handler) GetAccountAtLatestBlock 

func (h *Handler) GetAccountAtLatestBlock(
	ctx context.Context,
	req *access.GetAccountAtLatestBlockRequest,
) (*access.AccountResponse, error)

GetAccountAtLatestBlock returns an account by address at the latest sealed block.

func (*Handler) GetBlockByHeight 

func (h *Handler) GetBlockByHeight(
	ctx context.Context,
	req *access.GetBlockByHeightRequest,
) (*access.BlockResponse, error)

GetBlockByHeight gets a block by height.

func (*Handler) GetBlockByID 

func (h *Handler) GetBlockByID(
	ctx context.Context,
	req *access.GetBlockByIDRequest,
) (*access.BlockResponse, error)

GetBlockByHeight gets a block by ID.

func (*Handler) GetBlockHeaderByHeight 

func (h *Handler) GetBlockHeaderByHeight(
	ctx context.Context,
	req *access.GetBlockHeaderByHeightRequest,
) (*access.BlockHeaderResponse, error)

GetBlockHeaderByHeight gets a block header by height.

func (*Handler) GetBlockHeaderByID 

func (h *Handler) GetBlockHeaderByID(
	ctx context.Context,
	req *access.GetBlockHeaderByIDRequest,
) (*access.BlockHeaderResponse, error)

GetBlockHeaderByID gets a block header by ID.

func (*Handler) GetCollectionByID 

func (h *Handler) GetCollectionByID(
	ctx context.Context,
	req *access.GetCollectionByIDRequest,
) (*access.CollectionResponse, error)

GetCollectionByID gets a collection by ID.

func (*Handler) GetEventsForBlockIDs 

func (h *Handler) GetEventsForBlockIDs(
	ctx context.Context,
	req *access.GetEventsForBlockIDsRequest,
) (*access.EventsResponse, error)

GetEventsForBlockIDs returns events matching a set of block IDs.

func (*Handler) GetEventsForHeightRange 

func (h *Handler) GetEventsForHeightRange(
	ctx context.Context,
	req *access.GetEventsForHeightRangeRequest,
) (*access.EventsResponse, error)

GetEventsForHeightRange returns events matching a query.

func (*Handler) GetLatestBlock 

func (h *Handler) GetLatestBlock(
	ctx context.Context,
	req *access.GetLatestBlockRequest,
) (*access.BlockResponse, error)

GetLatestBlock gets the latest sealed block.

func (*Handler) GetLatestBlockHeader 

func (h *Handler) GetLatestBlockHeader(
	ctx context.Context,
	req *access.GetLatestBlockHeaderRequest,
) (*access.BlockHeaderResponse, error)

GetLatestBlockHeader gets the latest sealed block header.

func (*Handler) GetNetworkParameters 

func (h *Handler) GetNetworkParameters(
	ctx context.Context,
	_ *access.GetNetworkParametersRequest,
) (*access.GetNetworkParametersResponse, error)

func (*Handler) GetTransaction 

func (h *Handler) GetTransaction(
	ctx context.Context,
	req *access.GetTransactionRequest,
) (*access.TransactionResponse, error)

GetTransaction gets a transaction by ID.

func (*Handler) GetTransactionResult 

func (h *Handler) GetTransactionResult(
	ctx context.Context,
	req *access.GetTransactionRequest,
) (*access.TransactionResultResponse, error)

GetTransactionResult gets a transaction by ID.

func (*Handler) Ping 

func (h *Handler) Ping(ctx context.Context, _ *access.PingRequest) (*access.PingResponse, error)

Ping the Access API server for a response.

func (*Handler) SendTransaction 

func (h *Handler) SendTransaction(
	ctx context.Context,
	req *access.SendTransactionRequest,
) (*access.SendTransactionResponse, error)

SendTransaction submits a transaction to the network.

type IncompleteTransactionError 

type IncompleteTransactionError struct {
	MissingFields []string
}

IncompleteTransactionError indicates that a transaction is missing one or more required fields.

func (IncompleteTransactionError) Error 

func (e IncompleteTransactionError) Error() string

type InvalidGasLimitError 

type InvalidGasLimitError struct {
	Maximum uint64
	Actual  uint64
}

InvalidGasLimitError indicates that a transaction specifies a gas limit that exceeds the maximum.

func (InvalidGasLimitError) Error 

func (e InvalidGasLimitError) Error() string

type InvalidScriptError 

type InvalidScriptError struct {
	ParserErr error
}

InvalidScriptError indicates that a transaction contains an invalid Cadence script.

func (InvalidScriptError) Error 

func (e InvalidScriptError) Error() string

func (InvalidScriptError) Unwrap 

func (e InvalidScriptError) Unwrap() error

type NetworkParameters 

type NetworkParameters struct {
	ChainID flow.ChainID
}

NetworkParameters contains the network-wide parameters for the Flow blockchain.

type ProtocolStateBlocks 

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

func NewProtocolStateBlocks 

func NewProtocolStateBlocks(state protocol.State) *ProtocolStateBlocks

func (*ProtocolStateBlocks) FinalizedHeader 

func (b *ProtocolStateBlocks) FinalizedHeader() (*flow.Header, error)

func (*ProtocolStateBlocks) HeaderByID 

func (b *ProtocolStateBlocks) HeaderByID(id flow.Identifier) (*flow.Header, error)

type TransactionResult 

type TransactionResult struct {
	Status       flow.TransactionStatus
	StatusCode   uint
	Events       []flow.Event
	ErrorMessage string
}

TODO: Combine this with flow.TransactionResult?

type TransactionValidationOptions 

type TransactionValidationOptions struct {
	Expiry                       uint
	ExpiryBuffer                 uint
	AllowEmptyReferenceBlockID   bool
	AllowUnknownReferenceBlockID bool
	MaxGasLimit                  uint64
	CheckScriptsParse            bool
}

type TransactionValidator 

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

func NewTransactionValidator 

func NewTransactionValidator(
	blocks Blocks,
	options TransactionValidationOptions,
) *TransactionValidator

func (*TransactionValidator) Validate 

func (v *TransactionValidator) Validate(tx *flow.TransactionBody) (err error)

Source Files

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Directories

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