Global

Members

(constant) migrationLayout

This entry needs to be part of all dbs that support migrations. V -> DB Version M -> migration state

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(constant) oldLayout

Previous layout used M[id]-s to list of executed migrations

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(constant) opCache :Array.<Opcode>

Type:
  • Array.<Opcode>
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ownership :Ownership

Type:
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Methods

(private) bindExit()

Cleanup all child processes.

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checksig(msg, sig, key) → {Boolean}

Verify a signature, taking into account sighash type.

Parameters:
Name Type Description
msg Buffer

Signature hash.
sig Buffer
key Buffer
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Returns:
Type
Boolean

decode(str, exp) → {Number}

Parse a fixed number string and multiply by a power of ten (uses no floating point arithmetic).

Parameters:
Name Type Description
str String
exp Number

Number of decimal places.
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Returns:

Integer.

Type
Number

encode(num, exp) → {String}

Convert int to fixed number string and reduce by a power of ten (uses no floating point arithmetic).

Parameters:
Name Type Description
num Number
exp Number

Number of decimal places.
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Returns:

Fixed number string.

Type
String

fromFloat(num, exp) → {Number}

Parse a double float number and multiply by a power of ten (uses no floating point arithmetic).

Parameters:
Name Type Description
num Number
exp Number

Number of decimal places.
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Returns:

Integer.

Type
Number

fromU32(num) → {Buffer}

Parameters:
Name Type Description
num Number
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Returns:
Type
Buffer

fromU32(num) → {Buffer}

Parameters:
Name Type Description
num Number
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Returns:
Type
Buffer

groupKey(addr) → {Buffer}

Parameters:
Name Type Description
addr NetAddress
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Returns:
Type
Buffer

insert(items, item, compare, uniqopt) → {Number}

Perform a binary insert on a sorted array.

Parameters:
Name Type Attributes Default Description
items Array
item Object
compare function
uniq Boolean <optional>
 false
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Returns:

index

Type
Number

(private) listenExit(handler)

Listen for exit.

Parameters:
Name Type Description
handler function
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remove(items, item, compare) → {Boolean}

Perform a binary removal on a sorted array.

Parameters:
Name Type Description
items Array
item Object
compare function
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Returns:
Type
Boolean

Perform a binary search on a sorted array.

Parameters:
Name Type Attributes Default Description
items Array
key Object
compare function
insert Boolean <optional>
 false
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Returns:

Index.

Type
Number

splice(list, i)

Parameters:
Name Type Description
list Array
i Number
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toFloat(num, exp) → {Number}

Convert int to float and reduce by a power of ten (uses no floating point arithmetic).

Parameters:
Name Type Description
num Number
exp Number

Number of decimal places.
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Returns:

Double float.

Type
Number

toString(buf) → {String}

Parameters:
Name Type Description
buf Buffer
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Returns:
Type
String

validateKey(key, flagsnullable) → {Boolean}

Test whether the data element is a valid key if VERIFY_STRICTENC is enabled.

Parameters:
Name Type Attributes Description
key Buffer
flags VerifyFlags <nullable>
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Throws:
ScriptError
Returns:
Type
Boolean

validateSignature(sig, flagsnullable) → {Boolean}

Test whether the data element is a valid signature based on the encoding, S value, and sighash type. Requires VERIFY_DERSIG|VERIFY_LOW_S|VERIFY_STRICTENC, VERIFY_LOW_S and VERIFY_STRING_ENC to be enabled respectively. Note that this will allow zero-length signatures.

Parameters:
Name Type Attributes Description
sig Buffer
flags VerifyFlags <nullable>
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Throws:
ScriptError
Returns:
Type
Boolean

Type Definitions

ActionAbort

Type:
  • Object
Properties:
Name Type Description
type exports.scanActions

ABORT
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ActionNext

Type:
  • Object
Properties:
Name Type Description
type exports.scanActions

NEXT
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ActionRepeat

Type:
  • Object
Properties:
Name Type Description
type exports.ScanAction

REPEAT
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ActionRepeatAdd

Type:
  • Object
Properties:
Name Type Description
type exports.scanActions

REPEAT_ADD
chunks Array.<Buffer>
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ActionRepeatSet

Type:
  • Object
Properties:
Name Type Description
type exports.scanActions

REPEAT_SET
filter BloomFilter
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AddBlockResult

Type:
  • Object
Properties:
Name Type Description
txs Number

Number of transactions added on this add.
filterUpdated Boolean

Whether the bloom filter was updated.
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AddressOptions

Type:
  • Object
Properties:
Name Type Description
hash Hash
version Number
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AddressString

Serialized address.

Type:
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AddressType

A subset of ScriptType, including pubkeyhash, scripthash, witnesspubkeyhash, and witnessscripthash. This value specifically refers to the address prefix. It is a network-agnostic way of representing prefixes. May sometimes be a string if specified.

Type:
  • Number | String
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AddResult

Type:
  • Object
Properties:
Name Type Description
details Details
derived Array.<WalletKey>
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AddTXResult

Type:
  • Object
Properties:
Name Type Description
wids Number

Wallet IDs affected.
filterUpdated Boolean

Whether the bloom filter was updated.

/** WalletDB
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Amount

A dollarydoo amount. This is technically a JS double float, but it is regularly enforced to be less than 53 bits and less than MAX_MONEY in various functions.

Type:
  • Number
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AmountUnitType

One of doo, uhns, mhns, hns, handshake.

Type:
  • 'doo' | 'uhns' | 'mhns' | 'hns' | 'handshake'
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Base58String

Base58 string.

Type:
  • String
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Bech32String

Bech32 string.

Type:
  • String
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BlockExtraInfo

Type:
  • Object
Properties:
Name Type Description
medianTime Number
txIndex Number
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BN

A big number (bn.js)

Type:
  • Object
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BufioWriter

Type:
  • StaticWriter | BufferWriter
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Hash

32 byte buffer.

Type:
  • Buffer
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HDPrivateKeyOptions

Type:
  • Object
Properties:
Name Type Description
depth Number
parentFingerPrint Number
childIndex Number
chainCode Buffer
privateKey Buffer
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HDPublicKeyID

Type:
  • String
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HDPublicKeyOptions

Properties:
Name Type Description
depth Number
parentFingerPrint Number
childIndex Number
chainCode Buffer
publicKey Buffer
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HexHash

Hex-string hash.

Type:
  • String
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InvType

One of module:constants.inv.

Type:
  • Number | String
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LockFlags

A bitfield containing locktime flags.

Type:
  • Number
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MnemonicOptions

Type:
  • Object
Properties:
Name Type Attributes Description
bits Number <optional>
<nullable>
entropy Buffer <optional>
<nullable>
phrase String <optional>
<nullable>
language String <optional>
<nullable>
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NameFlags

A bitfield containing name flags.

Type:
  • Number
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NetworkType

One of main, testnet, regtest, simnet.

Type:
  • 'main' | 'testnet' | 'regtest' | 'simnet'
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See:
  • {network.types}

OutpointJSON

Type:
  • Object
Properties:
Name Type Description
hash HexHash
index Number
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OutputJSON

Type:
  • Object
Properties:
Name Type Description
value AmountValue
address String
covenant CovenantJSON
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Rate

Rate of dollarydoos per kB.

Type:
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RawBlock

Raw block data.

Type:
  • Buffer
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ScanAction

Type:
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ScanBlockResult

Type:
  • Object
Properties:
Name Type Description
entry ChainEntry
txs Array.<TX>
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ScanInteractiveIterCB(entry, txs) → {Promise.<ScanAction>}

Parameters:
Name Type Description
entry ChainEntry
txs Array.<TX>
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Returns:
Type
Promise.<ScanAction>

ScriptType

An output script type.

Type:
  • Number | String
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See:
  • {module:constants.scriptTypes} May sometimes be a string if specified.

SighashType

Signature hash type. One of all, single, none, or one of constants.hashType.

Type:
  • Number
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URIOptions

Type:
  • Object
Properties:
Name Type Attributes Description
address Address
amount AmountValue <optional>
<nullable>
label String <optional>
<nullable>
message String <optional>
<nullable>
request String <optional>
<nullable>
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VerifyFlags

A bitfield containing script verify flags.

Type:
  • Number
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WitnessOptions

Type:
  • Object
Properties:
Name Type Attributes Description
items Array.<Buffer>
redeem Script <nullable>
length Number
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