Numeric

EOSIO Javascript / Exports / Numeric

Namespace: Numeric

Table of contents

Enumerations

• KeyType

Interfaces

• Key

Variables

• privateKeyDataSize
• publicKeyDataSize
• signatureDataSize

Functions

• base58ToBinary
• base64ToBinary
• binaryToBase58
• binaryToDecimal
• convertLegacyPublicKey
• convertLegacyPublicKeys
• decimalToBinary
• isNegative
• negate
• privateKeyToLegacyString
• privateKeyToString
• publicKeyToLegacyString
• publicKeyToString
• signatureToString
• signedBinaryToDecimal
• signedDecimalToBinary
• stringToPrivateKey
• stringToPublicKey
• stringToSignature

Variables

privateKeyDataSize

• Const privateKeyDataSize: 32

Private key data size, excluding type field

Defined in

src/eosjs-numeric.ts:273

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publicKeyDataSize

• Const publicKeyDataSize: 33

Public key data size, excluding type field

Defined in

src/eosjs-numeric.ts:270

---

signatureDataSize

• Const signatureDataSize: 65

Signature data size, excluding type field

Defined in

src/eosjs-numeric.ts:276

Functions

base58ToBinary

▸ base58ToBinary(size, s): Uint8Array

Convert an unsigned base-58 number in s to a bignum

Parameters

Name	Type	Description
size	number	bignum size (bytes)
s	string	-

Returns

Uint8Array

Defined in

src/eosjs-numeric.ts:173

---

base64ToBinary

▸ base64ToBinary(s): Uint8Array

Convert an unsigned base-64 number in s to a bignum

Parameters

Name	Type
s	string

Returns

Uint8Array

Defined in

src/eosjs-numeric.ts:227

---

binaryToBase58

▸ binaryToBase58(bignum, minDigits?): string

Convert bignum to a base-58 number

Parameters

Name	Type	Default value	Description
bignum	Uint8Array	undefined	-
minDigits	number	1	0-pad result to this many digits

Returns

string

Defined in

src/eosjs-numeric.ts:201

---

binaryToDecimal

▸ binaryToDecimal(bignum, minDigits?): string

Convert bignum to an unsigned decimal number

Parameters

Name	Type	Default value	Description
bignum	Uint8Array	undefined	-
minDigits	number	1	0-pad result to this many digits

Returns

string

Defined in

src/eosjs-numeric.ts:109

---

convertLegacyPublicKey

▸ convertLegacyPublicKey(s): string

If a key is in the legacy format (EOS prefix), then convert it to the new format (PUB_K1_). Leaves other formats untouched

Parameters

Name	Type
s	string

Returns

string

Defined in

src/eosjs-numeric.ts:373

---

convertLegacyPublicKeys

▸ convertLegacyPublicKeys(keys): string[]

If a key is in the legacy format (EOS prefix), then convert it to the new format (PUB_K1_). Leaves other formats untouched

Parameters

Name	Type
keys	string[]

Returns

string[]

Defined in

src/eosjs-numeric.ts:383

---

decimalToBinary

▸ decimalToBinary(size, s): Uint8Array

Convert an unsigned decimal number in s to a bignum

Parameters

Name	Type	Description
size	number	bignum size (bytes)
s	string	-

Returns

Uint8Array

Defined in

src/eosjs-numeric.ts:62

---

isNegative

▸ isNegative(bignum): boolean

Is bignum a negative number?

Parameters

Name	Type
bignum	Uint8Array

Returns

boolean

Defined in

src/eosjs-numeric.ts:43

---

negate

▸ negate(bignum): void

Negate bignum

Parameters

Name	Type
bignum	Uint8Array

Returns

void

Defined in

src/eosjs-numeric.ts:48

---

privateKeyToLegacyString

▸ privateKeyToLegacyString(key): string

Convert private key to legacy string (base-58) form

Parameters

Name	Type
key	Key

Returns

string

Defined in

src/eosjs-numeric.ts:413

---

privateKeyToString

▸ privateKeyToString(key): string

Convert key to string (base-58) form

Parameters

Name	Type
key	Key

Returns

string

Defined in

src/eosjs-numeric.ts:440

---

publicKeyToLegacyString

▸ publicKeyToLegacyString(key): string

Convert public key to legacy string (base-58) form

Parameters

Name	Type
key	Key

Returns

string

Defined in

src/eosjs-numeric.ts:347

---

publicKeyToString

▸ publicKeyToString(key): string

Convert key to string (base-58) form

Parameters

Name	Type
key	Key

Returns

string

Defined in

src/eosjs-numeric.ts:358

---

signatureToString

▸ signatureToString(signature): string

Convert signature to string (base-58) form

Parameters

Name	Type
signature	Key

Returns

string

Defined in

src/eosjs-numeric.ts:467

---

signedBinaryToDecimal

▸ signedBinaryToDecimal(bignum, minDigits?): string

Convert bignum to a signed decimal number

Parameters

Name	Type	Default value	Description
bignum	Uint8Array	undefined	-
minDigits	number	1	0-pad result to this many digits

Returns

string

Defined in

src/eosjs-numeric.ts:132

---

signedDecimalToBinary

▸ signedDecimalToBinary(size, s): Uint8Array

Convert a signed decimal number in s to a bignum

Parameters

Name	Type	Description
size	number	bignum size (bytes)
s	string	-

Returns

Uint8Array

Defined in

src/eosjs-numeric.ts:87

---

stringToPrivateKey

▸ stringToPrivateKey(s): Key

Convert key in s to binary form

Parameters

Name	Type
s	string

Returns

Key

Defined in

src/eosjs-numeric.ts:388

---

stringToPublicKey

▸ stringToPublicKey(s): Key

Convert key in s to binary form

Parameters

Name	Type
s	string

Returns

Key

Defined in

src/eosjs-numeric.ts:319

---

stringToSignature

▸ stringToSignature(s): Key

Convert key in s to binary form

Parameters

Name	Type
s	string

Returns

Key

Defined in

src/eosjs-numeric.ts:451