avm

package
v1.7.2 Latest Latest
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 Go to latest Published: Jul 4, 2023 License: BSD-3-Clause Imports: 53 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source 
var (
	ID = ids.ID{'a', 'v', 'm'}
)

ID that this VM uses when labeled

Functions

func NewCodecs 

func NewCodecs(fxs []Fx) (codec.Manager, codec.Manager, error)

NewCodecs returns the genesis codec and the normal codec for the provided feature extensions.

func NewPubSubFilterer 

func NewPubSubFilterer(tx *Tx) pubsub.Filterer

Types

type AssetDefinition 

type AssetDefinition struct {
	Name         string                   `json:"name"`
	Symbol       string                   `json:"symbol"`
	Denomination cjson.Uint8              `json:"denomination"`
	InitialState map[string][]interface{} `json:"initialState"`
	Memo         string                   `json:"memo"`
}

type AssetIDChangeAddr 

type AssetIDChangeAddr struct {
	FormattedAssetID
	api.JSONChangeAddr
}

AssetIDChangeAddr is an asset ID and a change address

type Balance 

type Balance struct {
	AssetID string      `json:"asset"`
	Balance json.Uint64 `json:"balance"`
}

type BaseTx 

type BaseTx struct {
	djtx.BaseTx `serialize:"true"`
}

BaseTx is the basis of all transactions.

func (*BaseTx) ExecuteWithSideEffects 

func (t *BaseTx) ExecuteWithSideEffects(_ *VM, batch database.Batch) error

ExecuteWithSideEffects writes the batch with any additional side effects

func (*BaseTx) Init 

func (t *BaseTx) Init(vm *VM) error

Init sets the FxID fields in the inputs and outputs of this BaseTx Also sets the [ctx] in the OutputOwners to the given [vm.ctx] so that the addresses can be json marshalled into human readable format

func (*BaseTx) SemanticVerify 

func (t *BaseTx) SemanticVerify(vm *VM, tx UnsignedTx, creds []verify.Verifiable) error

SemanticVerify that this transaction is valid to be spent.

func (*BaseTx) SyntacticVerify 

func (t *BaseTx) SyntacticVerify(
	ctx *snow.Context,
	c codec.Manager,
	txFeeAssetID ids.ID,
	txFee uint64,
	_ uint64,
	_ int,
) error

SyntacticVerify that this transaction is well-formed.

type BuildGenesisArgs 

type BuildGenesisArgs struct {
	NetworkID   cjson.Uint32               `json:"networkID"`
	GenesisData map[string]AssetDefinition `json:"genesisData"`
	Encoding    formatting.Encoding        `json:"encoding"`
}

BuildGenesisArgs are arguments for BuildGenesis

type BuildGenesisReply 

type BuildGenesisReply struct {
	Bytes    string              `json:"bytes"`
	Encoding formatting.Encoding `json:"encoding"`
}

BuildGenesisReply is the reply from BuildGenesis

type Client 

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

func NewClient 

func NewClient(uri, chain string, requestTimeout time.Duration) *Client

NewClient returns an AVM client for interacting with avm [chain]

func (*Client) ConfirmTx 

func (c *Client) ConfirmTx(txID ids.ID, attempts int, delay time.Duration) (choices.Status, error)

ConfirmTx attempts to confirm [txID] by checking its status [attempts] times with a [delay] in between each attempt. If the transaction has not been decided by the final attempt, it returns the status of the last attempt. Note: ConfirmTx will block until either the last attempt finishes or the client returns a decided status.

func (*Client) CreateAddress 

func (c *Client) CreateAddress(user api.UserPass) (string, error)

CreateAddress creates a new address controlled by [user]

func (*Client) CreateAsset 

func (c *Client) CreateAsset(
	user api.UserPass,
	from []string,
	changeAddr,
	name,
	symbol string,
	denomination byte,
	holders []*Holder,
	minters []Owners,
) (ids.ID, error)

CreateAsset creates a new asset and returns its assetID

func (*Client) CreateFixedCapAsset 

func (c *Client) CreateFixedCapAsset(
	user api.UserPass,
	from []string,
	changeAddr,
	name,
	symbol string,
	denomination byte,
	holders []*Holder,
) (ids.ID, error)

CreateFixedCapAsset creates a new fixed cap asset and returns its assetID

func (*Client) CreateNFTAsset 

func (c *Client) CreateNFTAsset(
	user api.UserPass,
	from []string,
	changeAddr,
	name,
	symbol string,
	minters []Owners,
) (ids.ID, error)

CreateNFTAsset creates a new NFT asset and returns its assetID

func (*Client) CreateVariableCapAsset 

func (c *Client) CreateVariableCapAsset(
	user api.UserPass,
	from []string,
	changeAddr,
	name,
	symbol string,
	denomination byte,
	minters []Owners,
) (ids.ID, error)

CreateVariableCapAsset creates a new variable cap asset and returns its assetID

func (*Client) Export 

func (c *Client) Export(
	user api.UserPass,
	from []string,
	changeAddr string,
	amount uint64,
	to string,
	assetID string,
) (ids.ID, error)

Export sends an asset from this chain to the P/C-Chain. After this tx is accepted, the DJTX must be imported to the P/C-chain with an importTx. Returns the ID of the newly created atomic transaction

func (*Client) ExportKey 

func (c *Client) ExportKey(user api.UserPass, addr string) (string, error)

ExportKey returns the private key corresponding to [addr] controlled by [user]

func (*Client) GetAllBalances 

func (c *Client) GetAllBalances(addr string, includePartial bool) (*GetAllBalancesReply, error)

GetAllBalances returns all asset balances for [addr]

func (*Client) GetAssetDescription 

func (c *Client) GetAssetDescription(assetID string) (*GetAssetDescriptionReply, error)

GetAssetDescription returns a description of [assetID]

func (*Client) GetAtomicUTXOs 

func (c *Client) GetAtomicUTXOs(addrs []string, sourceChain string, limit uint32, startAddress, startUTXOID string) ([][]byte, api.Index, error)

GetAtomicUTXOs returns the byte representation of the atomic UTXOs controlled by [addresses] from [sourceChain]

func (*Client) GetBalance 

func (c *Client) GetBalance(addr string, assetID string, includePartial bool) (*GetBalanceReply, error)

GetBalance returns the balance of [assetID] held by [addr]. If [includePartial], balance includes partial owned (i.e. in a multisig) funds.

func (*Client) GetTx 

func (c *Client) GetTx(txID ids.ID) ([]byte, error)

GetTx returns the byte representation of [txID]

func (*Client) GetTxStatus 

func (c *Client) GetTxStatus(txID ids.ID) (choices.Status, error)

GetTxStatus returns the status of [txID]

func (*Client) GetUTXOs 

func (c *Client) GetUTXOs(addrs []string, limit uint32, startAddress, startUTXOID string) ([][]byte, api.Index, error)

GetUTXOs returns the byte representation of the UTXOs controlled by [addrs]

func (*Client) Import 

func (c *Client) Import(user api.UserPass, to, sourceChain string) (ids.ID, error)

Import sends an import transaction to import funds from [sourceChain] and returns the ID of the newly created transaction

func (*Client) ImportKey 

func (c *Client) ImportKey(user api.UserPass, privateKey string) (string, error)

ImportKey imports [privateKey] to [user]

func (*Client) IssueTx 

func (c *Client) IssueTx(txBytes []byte) (ids.ID, error)

IssueTx issues a transaction to a node and returns the TxID

func (*Client) ListAddresses 

func (c *Client) ListAddresses(user api.UserPass) ([]string, error)

ListAddresses returns all addresses on this chain controlled by [user]

func (*Client) Mint 

func (c *Client) Mint(
	user api.UserPass,
	from []string,
	changeAddr string,
	amount uint64,
	assetID,
	to string,
) (ids.ID, error)

Mint [amount] of [assetID] to be owned by [to]

func (*Client) MintNFT 

func (c *Client) MintNFT(
	user api.UserPass,
	from []string,
	changeAddr string,
	assetID string,
	payload []byte,
	to string,
) (ids.ID, error)

MintNFT issues a MintNFT transaction and returns the ID of the newly created transaction

func (*Client) Send 

func (c *Client) Send(
	user api.UserPass,
	from []string,
	changeAddr string,
	amount uint64,
	assetID,
	to,
	memo string,
) (ids.ID, error)

Send [amount] of [assetID] to address [to]

func (*Client) SendMultiple 

func (c *Client) SendMultiple(
	user api.UserPass,
	from []string,
	changeAddr string,
	outputs []SendOutput,
	memo string,
) (ids.ID, error)

SendMultiple sends a transaction from [user] funding all [outputs]

func (*Client) SendNFT 

func (c *Client) SendNFT(
	user api.UserPass,
	from []string,
	changeAddr string,
	assetID string,
	groupID uint32,
	to string,
) (ids.ID, error)

SendNFT sends an NFT and returns the ID of the newly created transaction

type Config 

type Config struct {
	IndexTransactions    bool `json:"index-transactions"`
	IndexAllowIncomplete bool `json:"index-allow-incomplete"`
}

type CreateAssetArgs 

type CreateAssetArgs struct {
	api.JSONSpendHeader           // User, password, from addrs, change addr
	Name                string    `json:"name"`
	Symbol              string    `json:"symbol"`
	Denomination        byte      `json:"denomination"`
	InitialHolders      []*Holder `json:"initialHolders"`
	MinterSets          []Owners  `json:"minterSets"`
}

CreateAssetArgs are arguments for passing into CreateAsset

type CreateAssetTx 

type CreateAssetTx struct {
	BaseTx       `serialize:"true"`
	Name         string          `serialize:"true" json:"name"`
	Symbol       string          `serialize:"true" json:"symbol"`
	Denomination byte            `serialize:"true" json:"denomination"`
	States       []*InitialState `serialize:"true" json:"initialStates"`
}

CreateAssetTx is a transaction that creates a new asset.

func (*CreateAssetTx) Init 

func (t *CreateAssetTx) Init(vm *VM) error

func (*CreateAssetTx) InitialStates 

func (t *CreateAssetTx) InitialStates() []*InitialState

InitialStates track which virtual machines, and the initial state of these machines, this asset uses. The returned array should not be modified.

func (*CreateAssetTx) Sort 

func (t *CreateAssetTx) Sort()

func (*CreateAssetTx) SyntacticVerify 

func (t *CreateAssetTx) SyntacticVerify(
	ctx *snow.Context,
	c codec.Manager,
	txFeeAssetID ids.ID,
	_ uint64,
	txFee uint64,
	numFxs int,
) error

SyntacticVerify that this transaction is well-formed.

func (*CreateAssetTx) UTXOs 

func (t *CreateAssetTx) UTXOs() []*djtx.UTXO

UTXOs returns the UTXOs transaction is producing.

type CreateNFTAssetArgs 

type CreateNFTAssetArgs struct {
	api.JSONSpendHeader          // User, password, from addrs, change addr
	Name                string   `json:"name"`
	Symbol              string   `json:"symbol"`
	MinterSets          []Owners `json:"minterSets"`
}

CreateNFTAssetArgs are arguments for passing into CreateNFTAsset requests

type ExportArgs 

type ExportArgs struct {
	// User, password, from addrs, change addr
	api.JSONSpendHeader
	// Amount of nDJTX to send
	Amount json.Uint64 `json:"amount"`

	// ID of the address that will receive the DJTX. This address includes the
	// chainID, which is used to determine what the destination chain is.
	To string `json:"to"`

	AssetID string `json:"assetID"`
}

ExportArgs are arguments for passing into ExportAVA requests

type ExportKeyArgs 

type ExportKeyArgs struct {
	api.UserPass
	Address string `json:"address"`
}

ExportKeyArgs are arguments for ExportKey

type ExportKeyReply 

type ExportKeyReply struct {
	// The decrypted PrivateKey for the Address provided in the arguments
	PrivateKey string `json:"privateKey"`
}

ExportKeyReply is the response for ExportKey

type ExportTx 

type ExportTx struct {
	BaseTx `serialize:"true"`

	// Which chain to send the funds to
	DestinationChain ids.ID `serialize:"true" json:"destinationChain"`

	// The outputs this transaction is sending to the other chain
	ExportedOuts []*djtx.TransferableOutput `serialize:"true" json:"exportedOutputs"`
}

ExportTx is a transaction that exports an asset to another blockchain.

func (*ExportTx) ExecuteWithSideEffects 

func (t *ExportTx) ExecuteWithSideEffects(vm *VM, batch database.Batch) error

ExecuteWithSideEffects writes the batch with any additional side effects

func (*ExportTx) Init 

func (t *ExportTx) Init(vm *VM) error

func (*ExportTx) SemanticVerify 

func (t *ExportTx) SemanticVerify(vm *VM, tx UnsignedTx, creds []verify.Verifiable) error

SemanticVerify that this transaction is valid to be spent.

func (*ExportTx) SyntacticVerify 

func (t *ExportTx) SyntacticVerify(
	ctx *snow.Context,
	c codec.Manager,
	txFeeAssetID ids.ID,
	txFee uint64,
	_ uint64,
	_ int,
) error

SyntacticVerify that this transaction is well-formed.

type Factory 

type Factory struct {
	TxFee            uint64
	CreateAssetTxFee uint64
}

func (*Factory) New 

func (f *Factory) New(*snow.Context) (interface{}, error)

type FormattedAssetID 

type FormattedAssetID struct {
	AssetID ids.ID `json:"assetID"`
}

FormattedAssetID defines a JSON formatted struct containing an assetID as a string

type Fx 

type Fx interface {
	// Initialize this feature extension to be running under this VM. Should
	// return an error if the VM is incompatible.
	Initialize(vm interface{}) error

	// Notify this Fx that the VM is in bootstrapping
	Bootstrapping() error

	// Notify this Fx that the VM is bootstrapped
	Bootstrapped() error

	// VerifyTransfer verifies that the specified transaction can spend the
	// provided utxo with no restrictions on the destination. If the transaction
	// can't spend the output based on the input and credential, a non-nil error
	// should be returned.
	VerifyTransfer(tx, in, cred, utxo interface{}) error

	// VerifyOperation verifies that the specified transaction can spend the
	// provided utxos conditioned on the result being restricted to the provided
	// outputs. If the transaction can't spend the output based on the input and
	// credential, a non-nil error  should be returned.
	VerifyOperation(tx, op, cred interface{}, utxos []interface{}) error
}

Fx is the interface a feature extension must implement to support the AVM.

type FxCredential 

type FxCredential struct {
	FxID              ids.ID `serialize:"false" json:"fxID"`
	verify.Verifiable `serialize:"true" json:"credential"`
}

type FxOperation 

type FxOperation interface {
	verify.Verifiable
	snow.ContextInitializable
	djtx.Coster

	Outs() []verify.State
}

type Genesis 

type Genesis struct {
	Txs []*GenesisAsset `serialize:"true"`
}

func (*Genesis) IsSortedAndUnique 

func (g *Genesis) IsSortedAndUnique() bool

func (*Genesis) Len 

func (g *Genesis) Len() int

func (*Genesis) Less 

func (g *Genesis) Less(i, j int) bool

func (*Genesis) Sort 

func (g *Genesis) Sort()

func (*Genesis) Swap 

func (g *Genesis) Swap(i, j int)

type GenesisAsset 

type GenesisAsset struct {
	Alias         string `serialize:"true"`
	CreateAssetTx `serialize:"true"`
}

type GetAddressTxsArgs 

type GetAddressTxsArgs struct {
	api.JSONAddress
	// Cursor used as a page index / offset
	Cursor json.Uint64 `json:"cursor"`
	// PageSize num of items per page
	PageSize json.Uint64 `json:"pageSize"`
	// AssetID defaulted to DJTX if omitted or left blank
	AssetID string `json:"assetID"`
}

type GetAddressTxsReply 

type GetAddressTxsReply struct {
	TxIDs []ids.ID `json:"txIDs"`
	// Cursor used as a page index / offset
	Cursor json.Uint64 `json:"cursor"`
}

type GetAllBalancesArgs 

type GetAllBalancesArgs struct {
	api.JSONAddress
	IncludePartial bool `json:"includePartial"`
}

type GetAllBalancesReply 

type GetAllBalancesReply struct {
	Balances []Balance `json:"balances"`
}

GetAllBalancesReply is the response from a call to GetAllBalances

type GetAssetDescriptionArgs 

type GetAssetDescriptionArgs struct {
	AssetID string `json:"assetID"`
}

GetAssetDescriptionArgs are arguments for passing into GetAssetDescription requests

type GetAssetDescriptionReply 

type GetAssetDescriptionReply struct {
	FormattedAssetID
	Name         string     `json:"name"`
	Symbol       string     `json:"symbol"`
	Denomination json.Uint8 `json:"denomination"`
}

GetAssetDescriptionReply defines the GetAssetDescription replies returned from the API

type GetBalanceArgs 

type GetBalanceArgs struct {
	Address        string `json:"address"`
	AssetID        string `json:"assetID"`
	IncludePartial bool   `json:"includePartial"`
}

GetBalanceArgs are arguments for passing into GetBalance requests

type GetBalanceReply 

type GetBalanceReply struct {
	Balance json.Uint64   `json:"balance"`
	UTXOIDs []djtx.UTXOID `json:"utxoIDs"`
}

GetBalanceReply defines the GetBalance replies returned from the API

type GetTxStatusReply 

type GetTxStatusReply struct {
	Status choices.Status `json:"status"`
}

GetTxStatusReply defines the GetTxStatus replies returned from the API

type Holder 

type Holder struct {
	Amount  json.Uint64 `json:"amount"`
	Address string      `json:"address"`
}

Holder describes how much an address owns of an asset

type ImportArgs 

type ImportArgs struct {
	// User that controls To
	api.UserPass

	// Chain the funds are coming from
	SourceChain string `json:"sourceChain"`

	// Address receiving the imported DJTX
	To string `json:"to"`
}

ImportArgs are arguments for passing into Import requests

type ImportKeyArgs 

type ImportKeyArgs struct {
	api.UserPass
	PrivateKey string `json:"privateKey"`
}

ImportKeyArgs are arguments for ImportKey

type ImportKeyReply 

type ImportKeyReply struct {
	// The address controlled by the PrivateKey provided in the arguments
	Address string `json:"address"`
}

ImportKeyReply is the response for ImportKey

type ImportTx 

type ImportTx struct {
	BaseTx `serialize:"true"`

	// Which chain to consume the funds from
	SourceChain ids.ID `serialize:"true" json:"sourceChain"`

	// The inputs to this transaction
	ImportedIns []*djtx.TransferableInput `serialize:"true" json:"importedInputs"`
}

ImportTx is a transaction that imports an asset from another blockchain.

func (*ImportTx) AssetIDs 

func (t *ImportTx) AssetIDs() ids.Set

AssetIDs returns the IDs of the assets this transaction depends on

func (*ImportTx) ConsumedAssetIDs 

func (t *ImportTx) ConsumedAssetIDs() ids.Set

ConsumedAssetIDs returns the IDs of the assets this transaction consumes

func (*ImportTx) ExecuteWithSideEffects 

func (t *ImportTx) ExecuteWithSideEffects(vm *VM, batch database.Batch) error

ExecuteWithSideEffects writes the batch with any additional side effects

func (*ImportTx) Init 

func (t *ImportTx) Init(vm *VM) error

func (*ImportTx) InputUTXOs 

func (t *ImportTx) InputUTXOs() []*djtx.UTXOID

InputUTXOs track which UTXOs this transaction is consuming.

func (*ImportTx) NumCredentials 

func (t *ImportTx) NumCredentials() int

NumCredentials returns the number of expected credentials

func (*ImportTx) SemanticVerify 

func (t *ImportTx) SemanticVerify(vm *VM, tx UnsignedTx, creds []verify.Verifiable) error

SemanticVerify that this transaction is well-formed.

func (*ImportTx) SyntacticVerify 

func (t *ImportTx) SyntacticVerify(
	ctx *snow.Context,
	c codec.Manager,
	txFeeAssetID ids.ID,
	txFee uint64,
	_ uint64,
	numFxs int,
) error

SyntacticVerify that this transaction is well-formed.

type InitialState 

type InitialState struct {
	FxIndex uint32         `serialize:"true" json:"fxIndex"`
	FxID    ids.ID         `serialize:"false" json:"fxID"`
	Outs    []verify.State `serialize:"true" json:"outputs"`
}

func (*InitialState) InitCtx 

func (is *InitialState) InitCtx(ctx *snow.Context)

func (*InitialState) Sort 

func (is *InitialState) Sort(c codec.Manager)

func (*InitialState) Verify 

func (is *InitialState) Verify(c codec.Manager, numFxs int) error

Verify implements the verify.Verifiable interface

type MintArgs 

type MintArgs struct {
	api.JSONSpendHeader             // User, password, from addrs, change addr
	Amount              json.Uint64 `json:"amount"`
	AssetID             string      `json:"assetID"`
	To                  string      `json:"to"`
}

MintArgs are arguments for passing into Mint requests

type MintNFTArgs 

type MintNFTArgs struct {
	api.JSONSpendHeader                     // User, password, from addrs, change addr
	AssetID             string              `json:"assetID"`
	Payload             string              `json:"payload"`
	To                  string              `json:"to"`
	Encoding            formatting.Encoding `json:"encoding"`
}

MintNFTArgs are arguments for passing into MintNFT requests

type Operation 

type Operation struct {
	djtx.Asset `serialize:"true"`
	UTXOIDs    []*djtx.UTXOID `serialize:"true" json:"inputIDs"`
	FxID       ids.ID         `serialize:"false" json:"fxID"`
	Op         FxOperation    `serialize:"true" json:"operation"`
}

func (*Operation) Verify 

func (op *Operation) Verify(c codec.Manager) error

Verify implements the verify.Verifiable interface

type OperationTx 

type OperationTx struct {
	BaseTx `serialize:"true"`
	Ops    []*Operation `serialize:"true" json:"operations"`
}

OperationTx is a transaction with no credentials.

func (*OperationTx) AssetIDs 

func (t *OperationTx) AssetIDs() ids.Set

AssetIDs returns the IDs of the assets this transaction depends on

func (*OperationTx) ConsumedAssetIDs 

func (t *OperationTx) ConsumedAssetIDs() ids.Set

ConsumedAssetIDs returns the IDs of the assets this transaction consumes

func (*OperationTx) Init 

func (t *OperationTx) Init(vm *VM) error

func (*OperationTx) InputUTXOs 

func (t *OperationTx) InputUTXOs() []*djtx.UTXOID

InputUTXOs track which UTXOs this transaction is consuming.

func (*OperationTx) NumCredentials 

func (t *OperationTx) NumCredentials() int

NumCredentials returns the number of expected credentials

func (*OperationTx) Operations 

func (t *OperationTx) Operations() []*Operation

Operations track which ops this transaction is performing. The returned array should not be modified.

func (*OperationTx) SemanticVerify 

func (t *OperationTx) SemanticVerify(vm *VM, tx UnsignedTx, creds []verify.Verifiable) error

SemanticVerify that this transaction is well-formed.

func (*OperationTx) SyntacticVerify 

func (t *OperationTx) SyntacticVerify(
	ctx *snow.Context,
	c codec.Manager,
	txFeeAssetID ids.ID,
	txFee uint64,
	_ uint64,
	numFxs int,
) error

SyntacticVerify that this transaction is well-formed.

func (*OperationTx) UTXOs 

func (t *OperationTx) UTXOs() []*djtx.UTXO

UTXOs returns the UTXOs transaction is producing.

type Owners 

type Owners struct {
	Threshold json.Uint32 `json:"threshold"`
	Minters   []string    `json:"minters"`
}

Owners describes who can perform an action

type SendArgs 

type SendArgs struct {
	// User, password, from addrs, change addr
	api.JSONSpendHeader

	// The amount, assetID, and destination to send funds to
	SendOutput

	// Memo field
	Memo string `json:"memo"`
}

SendArgs are arguments for passing into Send requests

type SendMultipleArgs 

type SendMultipleArgs struct {
	// User, password, from addrs, change addr
	api.JSONSpendHeader

	// The outputs of the transaction
	Outputs []SendOutput `json:"outputs"`

	// Memo field
	Memo string `json:"memo"`
}

SendMultipleArgs are arguments for passing into SendMultiple requests

type SendNFTArgs 

type SendNFTArgs struct {
	api.JSONSpendHeader             // User, password, from addrs, change addr
	AssetID             string      `json:"assetID"`
	GroupID             json.Uint32 `json:"groupID"`
	To                  string      `json:"to"`
}

SendNFTArgs are arguments for passing into SendNFT requests

type SendOutput 

type SendOutput struct {
	// The amount of funds to send
	Amount json.Uint64 `json:"amount"`

	// ID of the asset being sent
	AssetID string `json:"assetID"`

	// Address of the recipient
	To string `json:"to"`
}

SendOutput specifies that [Amount] of asset [AssetID] be sent to [To]

type Service 

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

Service defines the base service for the asset vm

func (*Service) CreateAddress 

func (service *Service) CreateAddress(r *http.Request, args *api.UserPass, reply *api.JSONAddress) error

CreateAddress creates an address for the user [args.Username]

func (*Service) CreateAsset 

func (service *Service) CreateAsset(r *http.Request, args *CreateAssetArgs, reply *AssetIDChangeAddr) error

CreateAsset returns ID of the newly created asset

func (*Service) CreateFixedCapAsset 

func (service *Service) CreateFixedCapAsset(r *http.Request, args *CreateAssetArgs, reply *AssetIDChangeAddr) error

CreateFixedCapAsset returns ID of the newly created asset

func (*Service) CreateNFTAsset 

func (service *Service) CreateNFTAsset(r *http.Request, args *CreateNFTAssetArgs, reply *AssetIDChangeAddr) error

CreateNFTAsset returns ID of the newly created asset

func (*Service) CreateVariableCapAsset 

func (service *Service) CreateVariableCapAsset(r *http.Request, args *CreateAssetArgs, reply *AssetIDChangeAddr) error

CreateVariableCapAsset returns ID of the newly created asset

func (*Service) Export 

func (service *Service) Export(_ *http.Request, args *ExportArgs, reply *api.JSONTxIDChangeAddr) error

Export sends an asset from this chain to the P/C-Chain. After this tx is accepted, the DJTX must be imported to the P/C-chain with an importTx. Returns the ID of the newly created atomic transaction

func (*Service) ExportKey 

func (service *Service) ExportKey(r *http.Request, args *ExportKeyArgs, reply *ExportKeyReply) error

ExportKey returns a private key from the provided user

func (*Service) GetAddressTxs 

func (service *Service) GetAddressTxs(r *http.Request, args *GetAddressTxsArgs, reply *GetAddressTxsReply) error

GetAddressTxs returns list of transactions for a given address

func (*Service) GetAllBalances 

func (service *Service) GetAllBalances(r *http.Request, args *GetAllBalancesArgs, reply *GetAllBalancesReply) error

GetAllBalances returns a map where: 

Key: ID of an asset such that [args.Address] has a non-zero balance of the asset
Value: The balance of the asset held by the address

If ![args.IncludePartial], returns only unlocked balance/UTXOs with a 1-out-of-1 multisig. Otherwise, returned balance/UTXOs includes assets held only partially by the address, and includes balances with locktime in the future.

func (*Service) GetAssetDescription 

func (service *Service) GetAssetDescription(_ *http.Request, args *GetAssetDescriptionArgs, reply *GetAssetDescriptionReply) error

GetAssetDescription creates an empty account with the name passed in

func (*Service) GetBalance 

func (service *Service) GetBalance(r *http.Request, args *GetBalanceArgs, reply *GetBalanceReply) error

GetBalance returns the balance of an asset held by an address. If ![args.IncludePartial], returns only the balance held solely (1 out of 1 multisig) by the address and with a locktime in the past. Otherwise, returned balance includes assets held only partially by the address, and includes balances with locktime in the future.

func (*Service) GetTx 

func (service *Service) GetTx(r *http.Request, args *api.GetTxArgs, reply *api.GetTxReply) error

GetTx returns the specified transaction

func (*Service) GetTxStatus 

func (service *Service) GetTxStatus(r *http.Request, args *api.JSONTxID, reply *GetTxStatusReply) error

GetTxStatus returns the status of the specified transaction

func (*Service) GetUTXOs 

func (service *Service) GetUTXOs(r *http.Request, args *api.GetUTXOsArgs, reply *api.GetUTXOsReply) error

GetUTXOs gets all utxos for passed in addresses

func (*Service) Import 

func (service *Service) Import(_ *http.Request, args *ImportArgs, reply *api.JSONTxID) error

Import imports an asset to this chain from the P/C-Chain. The DJTX must have already been exported from the P/C-Chain. Returns the ID of the newly created atomic transaction

func (*Service) ImportKey 

func (service *Service) ImportKey(r *http.Request, args *ImportKeyArgs, reply *api.JSONAddress) error

ImportKey adds a private key to the provided user

func (*Service) IssueTx 

func (service *Service) IssueTx(r *http.Request, args *api.FormattedTx, reply *api.JSONTxID) error

IssueTx attempts to issue a transaction into consensus

func (*Service) ListAddresses 

func (service *Service) ListAddresses(_ *http.Request, args *api.UserPass, response *api.JSONAddresses) error

ListAddresses returns all of the addresses controlled by user [args.Username]

func (*Service) Mint 

func (service *Service) Mint(r *http.Request, args *MintArgs, reply *api.JSONTxIDChangeAddr) error

Mint issues a transaction that mints more of the asset

func (*Service) MintNFT 

func (service *Service) MintNFT(r *http.Request, args *MintNFTArgs, reply *api.JSONTxIDChangeAddr) error

MintNFT issues a MintNFT transaction and returns the ID of the newly created transaction

func (*Service) Send 

func (service *Service) Send(r *http.Request, args *SendArgs, reply *api.JSONTxIDChangeAddr) error

Send returns the ID of the newly created transaction

func (*Service) SendMultiple 

func (service *Service) SendMultiple(r *http.Request, args *SendMultipleArgs, reply *api.JSONTxIDChangeAddr) error

SendMultiple sends a transaction with multiple outputs.

func (*Service) SendNFT 

func (service *Service) SendNFT(r *http.Request, args *SendNFTArgs, reply *api.JSONTxIDChangeAddr) error

SendNFT sends an NFT

type State 

type State interface {
	djtx.UTXOState
	djtx.StatusState
	djtx.SingletonState
	TxState

	DeduplicateTx(tx *UniqueTx) *UniqueTx
}

State persistently maintains a set of UTXOs, transaction, statuses, and singletons.

func NewMeteredState 

func NewMeteredState(db database.Database, genesisCodec, codec codec.Manager, namespace string, metrics prometheus.Registerer) (State, error)

func NewState 

func NewState(db database.Database, genesisCodec, codec codec.Manager) State

type StaticService 

type StaticService struct{}

StaticService defines the base service for the asset vm

func CreateStaticService 

func CreateStaticService() *StaticService

func (*StaticService) BuildGenesis 

func (ss *StaticService) BuildGenesis(_ *http.Request, args *BuildGenesisArgs, reply *BuildGenesisReply) error

BuildGenesis returns the UTXOs such that at least one address in [args.Addresses] is referenced in the UTXO.

type Tx 

type Tx struct {
	UnsignedTx `serialize:"true" json:"unsignedTx"`

	Creds []*FxCredential `serialize:"true" json:"credentials"` // The credentials of this transaction
}

Tx is the core operation that can be performed. The tx uses the UTXO model. Specifically, a txs inputs will consume previous txs outputs. A tx will be valid if the inputs have the authority to consume the outputs they are attempting to consume and the inputs consume sufficient state to produce the outputs.

func (*Tx) Credentials 

func (t *Tx) Credentials() []verify.Verifiable

Credentials describes the authorization that allows the Inputs to consume the specified UTXOs. The returned array should not be modified.

func (*Tx) Init 

func (t *Tx) Init(vm *VM) error

Init initializes FxID where required Used for JSON marshaling of data

func (*Tx) SemanticVerify 

func (t *Tx) SemanticVerify(vm *VM, tx UnsignedTx) error

SemanticVerify verifies that this transaction is well-formed.

func (*Tx) SignNFTFx 

func (t *Tx) SignNFTFx(c codec.Manager, signers [][]*crypto.PrivateKeySECP256K1R) error

func (*Tx) SignPropertyFx 

func (t *Tx) SignPropertyFx(c codec.Manager, signers [][]*crypto.PrivateKeySECP256K1R) error

func (*Tx) SignSECP256K1Fx 

func (t *Tx) SignSECP256K1Fx(c codec.Manager, signers [][]*crypto.PrivateKeySECP256K1R) error

func (*Tx) SyntacticVerify 

func (t *Tx) SyntacticVerify(
	ctx *snow.Context,
	c codec.Manager,
	txFeeAssetID ids.ID,
	txFee uint64,
	creationTxFee uint64,
	numFxs int,
) error

SyntacticVerify verifies that this transaction is well-formed.

type TxCachedState 

type TxCachedState struct {
	*Tx
	// contains filtered or unexported fields
}

type TxState 

type TxState interface {
	// Tx attempts to load a transaction from storage.
	GetTx(txID ids.ID) (*Tx, error)

	// PutTx saves the provided transaction to storage.
	PutTx(txID ids.ID, tx *Tx) error

	// DeleteTx removes the provided transaction from storage.
	DeleteTx(txID ids.ID) error
}

TxState is a thin wrapper around a database to provide, caching, serialization, and de-serialization of transactions.

func NewMeteredTxState 

func NewMeteredTxState(db database.Database, codec codec.Manager, namespace string, metrics prometheus.Registerer) (TxState, error)

func NewTxState 

func NewTxState(db database.Database, codec codec.Manager) TxState

type UniqueTx 

type UniqueTx struct {
	*TxCachedState
	// contains filtered or unexported fields
}

UniqueTx provides a de-duplication service for txs. This only provides a performance boost

func (*UniqueTx) Accept 

func (tx *UniqueTx) Accept() error

Accept is called when the transaction was finalized as accepted by consensus

func (*UniqueTx) Bytes 

func (tx *UniqueTx) Bytes() []byte

Bytes returns the binary representation of this transaction

func (*UniqueTx) Dependencies 

func (tx *UniqueTx) Dependencies() []snowstorm.Tx

Dependencies returns the set of transactions this transaction builds on

func (*UniqueTx) Evict 

func (tx *UniqueTx) Evict()

Evict is called when this UniqueTx will no longer be returned from a cache lookup

func (*UniqueTx) ID 

func (tx *UniqueTx) ID() ids.ID

ID returns the wrapped txID

func (*UniqueTx) InputIDs 

func (tx *UniqueTx) InputIDs() []ids.ID

InputIDs returns the set of utxoIDs this transaction consumes

func (*UniqueTx) InputUTXOs 

func (tx *UniqueTx) InputUTXOs() []*djtx.UTXOID

InputUTXOs returns the utxos that will be consumed on tx acceptance

func (*UniqueTx) Key 

func (tx *UniqueTx) Key() interface{}

func (*UniqueTx) Reject 

func (tx *UniqueTx) Reject() error

Reject is called when the transaction was finalized as rejected by consensus

func (*UniqueTx) SemanticVerify 

func (tx *UniqueTx) SemanticVerify() error

SemanticVerify the validity of this transaction

func (*UniqueTx) Status 

func (tx *UniqueTx) Status() choices.Status

Status returns the current status of this transaction

func (*UniqueTx) SyntacticVerify 

func (tx *UniqueTx) SyntacticVerify() error

SyntacticVerify verifies that this transaction is well formed

func (*UniqueTx) UTXOs 

func (tx *UniqueTx) UTXOs() []*djtx.UTXO

UTXOs returns the utxos that will be added to the UTXO set on tx acceptance

func (*UniqueTx) Verify 

func (tx *UniqueTx) Verify() error

Verify the validity of this transaction

type UnsignedTx 

type UnsignedTx interface {
	Init(*VM) error
	Initialize(unsignedBytes, bytes []byte)
	ID() ids.ID
	UnsignedBytes() []byte
	Bytes() []byte

	ConsumedAssetIDs() ids.Set
	AssetIDs() ids.Set

	NumCredentials() int
	InputUTXOs() []*djtx.UTXOID
	UTXOs() []*djtx.UTXO

	SyntacticVerify(
		ctx *snow.Context,
		c codec.Manager,
		txFeeAssetID ids.ID,
		txFee uint64,
		creationTxFee uint64,
		numFxs int,
	) error
	SemanticVerify(vm *VM, tx UnsignedTx, creds []verify.Verifiable) error
	ExecuteWithSideEffects(vm *VM, batch database.Batch) error
}

type VM 

type VM struct {
	Factory

	djtx.AddressManager
	djtx.AtomicUTXOManager
	ids.Aliaser
	// contains filtered or unexported fields
}

VM implements the avalanche.DAGVM interface

func (*VM) AppGossip 

func (vm *VM) AppGossip(nodeID ids.ShortID, msg []byte) error

This VM doesn't (currently) have any app-specific messages

func (*VM) AppRequest 

func (vm *VM) AppRequest(nodeID ids.ShortID, requestID uint32, deadline time.Time, request []byte) error

This VM doesn't (currently) have any app-specific messages

func (*VM) AppRequestFailed 

func (vm *VM) AppRequestFailed(nodeID ids.ShortID, requestID uint32) error

This VM doesn't (currently) have any app-specific messages

func (*VM) AppResponse 

func (vm *VM) AppResponse(nodeID ids.ShortID, requestID uint32, response []byte) error

This VM doesn't (currently) have any app-specific messages

func (*VM) Bootstrapped 

func (vm *VM) Bootstrapped() error

Bootstrapped is called by the consensus engine when it is done bootstrapping this chain

func (*VM) Bootstrapping 

func (vm *VM) Bootstrapping() error

Bootstrapping is called by the consensus engine when it starts bootstrapping this chain

func (*VM) Connected 

func (vm *VM) Connected(id ids.ShortID) error

func (*VM) CreateHandlers 

func (vm *VM) CreateHandlers() (map[string]*common.HTTPHandler, error)

CreateHandlers implements the avalanche.DAGVM interface

func (*VM) CreateStaticHandlers 

func (vm *VM) CreateStaticHandlers() (map[string]*common.HTTPHandler, error)

CreateStaticHandlers implements the common.StaticVM interface

func (*VM) Disconnected 

func (vm *VM) Disconnected(id ids.ShortID) error

func (*VM) FlushTxs 

func (vm *VM) FlushTxs()

FlushTxs into consensus

func (*VM) GetTx 

func (vm *VM) GetTx(txID ids.ID) (snowstorm.Tx, error)

Get implements the avalanche.DAGVM interface

func (*VM) HealthCheck 

func (vm *VM) HealthCheck() (interface{}, error)

Health implements the common.VM interface TODO add health checks

func (*VM) Initialize 

func (vm *VM) Initialize(
	ctx *snow.Context,
	dbManager manager.Manager,
	genesisBytes []byte,
	upgradeBytes []byte,
	configBytes []byte,
	toEngine chan<- common.Message,
	fxs []*common.Fx,
	_ common.AppSender,
) error

Initialize implements the avalanche.DAGVM interface

func (*VM) IssueTx 

func (vm *VM) IssueTx(b []byte) (ids.ID, error)

IssueTx attempts to send a transaction to consensus. If onDecide is specified, the function will be called when the transaction is either accepted or rejected with the appropriate status. This function will go out of scope when the transaction is removed from memory.

func (*VM) LoadUser 

func (vm *VM) LoadUser(
	username string,
	password string,
	addrsToUse ids.ShortSet,
) (
	[]*djtx.UTXO,
	*secp256k1fx.Keychain,
	error,
)

LoadUser returns: 1) The UTXOs that reference one or more addresses controlled by the given user 2) A keychain that contains this user's keys If [addrsToUse] has positive length, returns UTXOs that reference one or more addresses controlled by the given user that are also in [addrsToUse].

func (*VM) Mint 

func (vm *VM) Mint(
	utxos []*djtx.UTXO,
	kc *secp256k1fx.Keychain,
	amounts map[ids.ID]uint64,
	to ids.ShortID,
) (
	[]*Operation,
	[][]*crypto.PrivateKeySECP256K1R,
	error,
)

func (*VM) MintNFT 

func (vm *VM) MintNFT(
	utxos []*djtx.UTXO,
	kc *secp256k1fx.Keychain,
	assetID ids.ID,
	payload []byte,
	to ids.ShortID,
) (
	[]*Operation,
	[][]*crypto.PrivateKeySECP256K1R,
	error,
)

func (*VM) ParseTx 

func (vm *VM) ParseTx(b []byte) (snowstorm.Tx, error)

Parse implements the avalanche.DAGVM interface

func (*VM) PendingTxs 

func (vm *VM) PendingTxs() []snowstorm.Tx

Pending implements the avalanche.DAGVM interface

func (*VM) Shutdown 

func (vm *VM) Shutdown() error

Shutdown implements the avalanche.DAGVM interface

func (*VM) Spend 

func (vm *VM) Spend(
	utxos []*djtx.UTXO,
	kc *secp256k1fx.Keychain,
	amounts map[ids.ID]uint64,
) (
	map[ids.ID]uint64,
	[]*djtx.TransferableInput,
	[][]*crypto.PrivateKeySECP256K1R,
	error,
)

func (*VM) SpendAll 

func (vm *VM) SpendAll(
	utxos []*djtx.UTXO,
	kc *secp256k1fx.Keychain,
) (
	map[ids.ID]uint64,
	[]*djtx.TransferableInput,
	[][]*crypto.PrivateKeySECP256K1R,
	error,
)

func (*VM) SpendNFT 

func (vm *VM) SpendNFT(
	utxos []*djtx.UTXO,
	kc *secp256k1fx.Keychain,
	assetID ids.ID,
	groupID uint32,
	to ids.ShortID,
) (
	[]*Operation,
	[][]*crypto.PrivateKeySECP256K1R,
	error,
)

func (*VM) Version 

func (vm *VM) Version() (string, error)

Get implements the avalanche.DAGVM interface

type WalletClient 

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

func NewWalletClient 

func NewWalletClient(uri, chain string, requestTimeout time.Duration) *WalletClient

NewWalletClient returns an AVM wallet client for interacting with avm managed wallet on [chain]

func (*WalletClient) IssueTx 

func (c *WalletClient) IssueTx(txBytes []byte) (ids.ID, error)

IssueTx issues a transaction to a node and returns the TxID

func (*WalletClient) Send 

func (c *WalletClient) Send(
	user api.UserPass,
	from []string,
	changeAddr string,
	amount uint64,
	assetID,
	to,
	memo string,
) (ids.ID, error)

Send [amount] of [assetID] to address [to]

func (*WalletClient) SendMultiple 

func (c *WalletClient) SendMultiple(
	user api.UserPass,
	from []string,
	changeAddr string,
	outputs []SendOutput,
	memo string,
) (ids.ID, error)

SendMultiple sends a transaction from [user] funding all [outputs]

type WalletService 

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

func (*WalletService) IssueTx 

func (w *WalletService) IssueTx(r *http.Request, args *api.FormattedTx, reply *api.JSONTxID) error

IssueTx attempts to issue a transaction into consensus

func (*WalletService) Send 

func (w *WalletService) Send(r *http.Request, args *SendArgs, reply *api.JSONTxIDChangeAddr) error

Send returns the ID of the newly created transaction

func (*WalletService) SendMultiple 

func (w *WalletService) SendMultiple(r *http.Request, args *SendMultipleArgs, reply *api.JSONTxIDChangeAddr) error

SendMultiple sends a transaction with multiple outputs.

Source Files

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