starkex

package
v1.0.6 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Nov 28, 2023 License: MIT, MIT Imports: 19 Imported by: 0

README

stark key authentication library, signature generator for dydx exchange

for the following operations:

  • Place an order
  • Withdraw funds

link : https://docs.dydx.exchange/#authentication

Installation
go get github.com/yanue/starkex
demos
order sign demo
    const MOCK_PRIVATE_KEY = "58c7d5a90b1776bde86ebac077e053ed85b0f7164f53b080304a531947f46e3"
    param := OrderSignParam{
		NetworkId:  NETWORK_ID_ROPSTEN,
		Market:     "ETH-USD",
		Side:       "BUY",
		PositionId: 12345,
		HumanSize:  "145.0005",
		HumanPrice: "350.00067",
		LimitFee:   "0.125",
		ClientId:   "This is an ID that the client came up with to describe this order",
		Expiration: "2020-09-17T04:15:55.028Z",
	}
	sign, err := OrderSign(MOCK_PRIVATE_KEY, param)
	// 00cecbe513ecdbf782cd02b2a5efb03e58d5f63d15f2b840e9bc0029af04e8dd0090b822b16f50b2120e4ea9852b340f7936ff6069d02acca02f2ed03029ace5
	fmt.Println("sign,err", sign, err)
withdraw sign demo
    const MOCK_PRIVATE_KEY = "58c7d5a90b1776bde86ebac077e053ed85b0f7164f53b080304a531947f46e3"
    param := WithdrawSignParam{
		NetworkId:   NETWORK_ID_ROPSTEN,
		PositionId:  12345,
		HumanAmount: "49.478023",
		ClientId:    "This is an ID that the client came up with to describe this withdrawal",
		Expiration:  "2020-09-17T04:15:55.028Z",
	}
	sign, err := WithdrawSign(MOCK_PRIVATE_KEY, param)
	// 05e48c33f8205a5359c95f1bd7385c1c1f587e338a514298c07634c0b6c952ba0687d6980502a5d7fa84ef6fdc00104db22c43c7fb83e88ca84f19faa9ee3de1
	fmt.Println("sign,err", sign, err)
transfer sign demo (fast_withdraw)
    const MOCK_PRIVATE_KEY = "58c7d5a90b1776bde86ebac077e053ed85b0f7164f53b080304a531947f46e3"
    param := TransferSignParam{
		NetworkId:          NETWORK_ID_MAINNET,
		CreditAmount:       "1",
		DebitAmount:        "2",
		SenderPositionId:   12345,
		ReceiverPositionId: 67890,
		ReceiverPublicKey:  "04a9ecd28a67407c3cff8937f329ca24fd631b1d9ca2b9f2df47c7ebf72bf0b0",
		ReceiverAddress:    "0x1234567890123456789012345678901234567890",
		Expiration:         "2020-09-17T04:15:55.028Z",
		ClientId:           "This is an ID that the client came up with to describe this transfer",
	}
	sign, err := TransferSign(MOCK_PRIVATE_KEY, param)
	// 0278aeb361938d4c377950487bb770fc9464bf5352e19117c03243efad4e10a302bb3983e05676c7952caa4acdc1a83426d5c8cb8c56d7f6c477cfdafd37718a
	fmt.Println("sign,err", sign, err)
inspired by

https://github.com/dydxprotocol/dydx-v3-python

https://github.com/starkware-libs/starkex-resources

Documentation

Overview

starkex provides signing and other algorithms for starkex (https://starkware.co/starkex/).

Index

Constants

View Source 
const (
	MARKET_BTC_USD     string = "BTC-USD"
	MARKET_ETH_USD     string = "ETH-USD"
	MARKET_LINK_USD    string = "LINK-USD"
	MARKET_AAVE_USD    string = "AAVE-USD"
	MARKET_UNI_USD     string = "UNI-USD"
	MARKET_SUSHI_USD   string = "SUSHI-USD"
	MARKET_SOL_USD     string = "SOL-USD"
	MARKET_YFI_USD     string = "YFI-USD"
	MARKET_ONEINCH_USD string = "1INCH-USD"
	MARKET_AVAX_USD    string = "AVAX-USD"
	MARKET_SNX_USD     string = "SNX-USD"
	MARKET_CRV_USD     string = "CRV-USD"
	MARKET_UMA_USD     string = "UMA-USD"
	MARKET_DOT_USD     string = "DOT-USD"
	MARKET_DOGE_USD    string = "DOGE-USD"
	MARKET_MATIC_USD   string = "MATIC-USD"
	MARKET_MKR_USD     string = "MKR-USD"
	MARKET_FIL_USD     string = "FIL-USD"
	MARKET_ADA_USD     string = "ADA-USD"
	MARKET_ATOM_USD    string = "ATOM-USD"
	MARKET_COMP_USD    string = "COMP-USD"
	MARKET_BCH_USD     string = "BCH-USD"
	MARKET_LTC_USD     string = "LTC-USD"
	MARKET_EOS_USD     string = "EOS-USD"
	MARKET_ALGO_USD    string = "ALGO-USD"
	MARKET_ZRX_USD     string = "ZRX-USD"
	MARKET_XMR_USD     string = "XMR-USD"
	MARKET_ZEC_USD     string = "ZEC-USD"
	MARKET_ENJ_USD     string = "ENJ-USD"
	MARKET_ETC_USD     string = "ETC-USD"
	MARKET_XLM_USD     string = "XLM-USD"
	MARKET_TRX_USD     string = "TRX-USD"
	MARKET_XTZ_USD     string = "XTZ-USD"
	MARKET_HNT_USD     string = "HNT-USD"
	MARKET_ICP_USD     string = "ICP-USD"
	MARKET_RUNE_USD    string = "RUNE-USD"
	MARKET_LUNA_USD    string = "LUNA-USD"
	MARKET_NEAR_USD    string = "NEAR-USD"
	MARKET_AR_USD      string = "AR-USD"
	MARKET_FLOW_USD    string = "FLOW-USD"
	MARKET_PERP_USD    string = "PERP-USD"
	MARKET_REN_USD     string = "REN-USD"
	MARKET_CELO_USD    string = "CELO-USD"
	MARKET_KSM_USD     string = "KSM-USD"
	MARKET_BAL_USD     string = "BAL-USD"
	MARKET_BNT_USD     string = "BNT-USD"
	MARKET_MIR_USD     string = "MIR-USD"
	MARKET_SRM_USD     string = "SRM-USD"
	MARKET_LON_USD     string = "LON-USD"
	MARKET_DODO_USD    string = "DODO-USD"
	MARKET_ALPHA_USD   string = "ALPHA-USD"
	MARKET_WNXM_USD    string = "WNXM-USD"
	MARKET_XCH_USD     string = "XCH-USD"
)
View Source 
const (
	ASSET_USDC       string = "USDC"
	ASSET_BTC        string = "BTC"
	ASSET_ETH        string = "ETH"
	ASSET_LINK       string = "LINK"
	ASSET_AAVE       string = "AAVE"
	ASSET_UNI        string = "UNI"
	ASSET_SUSHI      string = "SUSHI"
	ASSET_SOL        string = "SOL"
	ASSET_YFI        string = "YFI"
	ASSET_ONEINCH    string = "1INCH"
	ASSET_AVAX       string = "AVAX"
	ASSET_SNX        string = "SNX"
	ASSET_CRV        string = "CRV"
	ASSET_UMA        string = "UMA"
	ASSET_DOT        string = "DOT"
	ASSET_DOGE       string = "DOGE"
	ASSET_MATIC      string = "MATIC"
	ASSET_MKR        string = "MKR"
	ASSET_FIL        string = "FIL"
	ASSET_ADA        string = "ADA"
	ASSET_ATOM       string = "ATOM"
	ASSET_COMP       string = "COMP"
	ASSET_BCH        string = "BCH"
	ASSET_LTC        string = "LTC"
	ASSET_EOS        string = "EOS"
	ASSET_ALGO       string = "ALGO"
	ASSET_ZRX        string = "ZRX"
	ASSET_XMR        string = "XMR"
	ASSET_ZEC        string = "ZEC"
	ASSET_ENJ        string = "ENJ"
	ASSET_ETC        string = "ETC"
	ASSET_XLM        string = "XLM"
	ASSET_TRX        string = "TRX"
	ASSET_XTZ        string = "XTZ"
	ASSET_HNT        string = "HNT"
	ASSET_ICP        string = "ICP"
	ASSET_RUNE       string = "RUNE"
	ASSET_LUNA       string = "LUNA"
	ASSET_NEAR       string = "NEAR"
	ASSET_AR         string = "AR"
	ASSET_FLOW       string = "FLOW"
	ASSET_PERP       string = "PERP"
	ASSET_REN        string = "REN"
	ASSET_CELO       string = "CELO"
	ASSET_KSM        string = "KSM"
	ASSET_BAL        string = "BAL"
	ASSET_BNT        string = "BNT"
	ASSET_MIR        string = "MIR"
	ASSET_SRM        string = "SRM"
	ASSET_LON        string = "LON"
	ASSET_DODO       string = "DODO"
	ASSET_ALPHA      string = "ALPHA"
	ASSET_WNXM       string = "WNXM"
	ASSET_XCH        string = "XCH"
	COLLATERAL_ASSET string = ASSET_USDC
)
View Source 
const (
	ORDER_PREFIX                = 3
	CONDITIONAL_TRANSFER_PREFIX = 4
	WITHDRAWAL_PREFIX           = 6
)
View Source 
const (
	ORDER_PADDING_BITS                = 17
	WITHDRAWAL_PADDING_BITS           = 49
	CONDITIONAL_TRANSFER_PADDING_BITS = 81
)
View Source 
const (
	CONDITIONAL_TRANSFER_FEE_ASSET_ID   = 0
	CONDITIONAL_TRANSFER_MAX_AMOUNT_FEE = 0
)
View Source 
const (
	NETWORK_ID_MAINNET = 1
	NETWORK_ID_ROPSTEN = 3
)
View Source 
const (
	ONE_HOUR_IN_SECONDS                     = 60 * 60
	ORDER_SIGNATURE_EXPIRATION_BUFFER_HOURS = 24 * 7 // Seven days.
)
View Source 
const (
	ASSET_ID_MAINNET = "0x02893294412a4c8f915f75892b395ebbf6859ec246ec365c3b1f56f47c3a0a5d"
	ASSET_ID_ROPSTEN = "0x02c04d8b650f44092278a7cb1e1028c82025dff622db96c934b611b84cc8de5a"
)
View Source 
const COLLATERAL_TOKEN_DECIMALS = 6
View Source 
const (
	// HashLength is the expected length of the hash
	HashLength = 32
)

Lengths of hashes and addresses in bytes.

View Source 
const NONCE_UPPER_BOUND_EXCLUSIVE = 1 << 32 // 1 << ORDER_FIELD_BIT_LENGTHS['nonce']

Variables

View Source 
var (
	EC_ORDER    = new(big.Int)
	FIELD_PRIME = new(big.Int)
)
View Source 
var ASSET_RESOLUTION = map[string]int64{
	ASSET_USDC:    1e6,
	ASSET_BTC:     1e10,
	ASSET_ETH:     1e9,
	ASSET_LINK:    1e7,
	ASSET_AAVE:    1e8,
	ASSET_UNI:     1e7,
	ASSET_SUSHI:   1e7,
	ASSET_SOL:     1e7,
	ASSET_YFI:     1e10,
	ASSET_ONEINCH: 1e7,
	ASSET_AVAX:    1e7,
	ASSET_SNX:     1e7,
	ASSET_CRV:     1e6,
	ASSET_UMA:     1e7,
	ASSET_DOT:     1e7,
	ASSET_DOGE:    1e5,
	ASSET_MATIC:   1e6,
	ASSET_MKR:     1e9,
	ASSET_FIL:     1e7,
	ASSET_ADA:     1e6,
	ASSET_ATOM:    1e7,
	ASSET_COMP:    1e8,
	ASSET_BCH:     1e8,
	ASSET_LTC:     1e8,
	ASSET_EOS:     1e6,
	ASSET_ALGO:    1e6,
	ASSET_ZRX:     1e6,
	ASSET_XMR:     1e8,
	ASSET_ZEC:     1e8,
	ASSET_ENJ:     1e6,
	ASSET_ETC:     1e7,
	ASSET_XLM:     1e5,
	ASSET_TRX:     1e4,
	ASSET_XTZ:     1e6,
	ASSET_HNT:     1e7,
	ASSET_ICP:     1e7,
	ASSET_RUNE:    1e6,
	ASSET_LUNA:    1e6,
	ASSET_NEAR:    1e6,
	ASSET_AR:      1e7,
	ASSET_FLOW:    1e7,
	ASSET_PERP:    1e6,
	ASSET_REN:     1e5,
	ASSET_CELO:    1e6,
	ASSET_KSM:     1e8,
	ASSET_BAL:     1e7,
	ASSET_BNT:     1e6,
	ASSET_MIR:     1e6,
	ASSET_SRM:     1e6,
	ASSET_LON:     1e6,
	ASSET_DODO:    1e6,
	ASSET_ALPHA:   1e5,
	ASSET_WNXM:    1e7,
	ASSET_XCH:     1e8,
}

------------ Asset Resolution (Quantum Size) ------------

The asset resolution is the number of quantums (Starkware units) that fit within one "human-readable" unit of the asset. For example, if the asset resolution for BTC is 1e10, then the smallest unit representable within Starkware is 1e-10 BTC, i.e. 1/100th of a satoshi.

For the collateral asset (USDC), the chosen resolution corresponds to the base units of the ERC-20 token. For the other, synthetic, assets, the resolutions are chosen such that prices relative to USDC are close to one.

View Source 
var BIT_MASK_250 = big.NewInt(0).Sub(big.NewInt(0).Exp(big.NewInt(2), big.NewInt(250), nil), one)

BIT_MASK_250 (2 ** 250) - 1

View Source 
var COLLATERAL_ASSET_ID_BY_NETWORK_ID = map[int]*big.Int{
	NETWORK_ID_MAINNET: mainNet,
	NETWORK_ID_ROPSTEN: ropstenNet,
}
View Source 
var CONDITIONAL_TRANSFER_FIELD_BIT_LENGTHS = map[string]uint{
	"asset_id":               250,
	"receiver_public_key":    251,
	"position_id":            64,
	"condition":              251,
	"quantums_amount":        64,
	"nonce":                  32,
	"expiration_epoch_hours": 32,
}
View Source 
var FACT_REGISTRY_CONTRACT = map[int]string{
	NETWORK_ID_MAINNET: "0xBE9a129909EbCb954bC065536D2bfAfBd170d27A",
	NETWORK_ID_ROPSTEN: "0x8Fb814935f7E63DEB304B500180e19dF5167B50e",
}
View Source 
var N_ELEMENT_BITS_ECDSA = big.NewInt(251)

N_ELEMENT_BITS_ECDSA math.floor(math.log(FIELD_PRIME, 2))

View Source 
var ORDER_FIELD_BIT_LENGTHS = map[string]uint{
	"asset_id_synthetic":     128,
	"asset_id_collateral":    250,
	"asset_id_fee":           250,
	"quantums_amount":        64,
	"nonce":                  32,
	"position_id":            64,
	"expiration_epoch_hours": 32,
}
View Source 
var SYNTHETIC_ASSET_ID_MAP = map[string]string{
	ASSET_BTC:     "0x4254432d3130000000000000000000",
	ASSET_ETH:     "0x4554482d3900000000000000000000",
	ASSET_LINK:    "0x4c494e4b2d37000000000000000000",
	ASSET_AAVE:    "0x414156452d38000000000000000000",
	ASSET_UNI:     "0x554e492d3700000000000000000000",
	ASSET_SUSHI:   "0x53555348492d370000000000000000",
	ASSET_SOL:     "0x534f4c2d3700000000000000000000",
	ASSET_YFI:     "0x5946492d3130000000000000000000",
	ASSET_ONEINCH: "0x31494e43482d370000000000000000",
	ASSET_AVAX:    "0x415641582d37000000000000000000",
	ASSET_SNX:     "0x534e582d3700000000000000000000",
	ASSET_CRV:     "0x4352562d3600000000000000000000",
	ASSET_UMA:     "0x554d412d3700000000000000000000",
	ASSET_DOT:     "0x444f542d3700000000000000000000",
	ASSET_DOGE:    "0x444f47452d35000000000000000000",
	ASSET_MATIC:   "0x4d415449432d360000000000000000",
	ASSET_MKR:     "0x4d4b522d3900000000000000000000",
	ASSET_FIL:     "0x46494c2d3700000000000000000000",
	ASSET_ADA:     "0x4144412d3600000000000000000000",
	ASSET_ATOM:    "0x41544f4d2d37000000000000000000",
	ASSET_COMP:    "0x434f4d502d38000000000000000000",
	ASSET_BCH:     "0x4243482d3800000000000000000000",
	ASSET_LTC:     "0x4c54432d3800000000000000000000",
	ASSET_EOS:     "0x454f532d3600000000000000000000",
	ASSET_ALGO:    "0x414c474f2d36000000000000000000",
	ASSET_ZRX:     "0x5a52582d3600000000000000000000",
	ASSET_XMR:     "0x584d522d3800000000000000000000",
	ASSET_ZEC:     "0x5a45432d3800000000000000000000",
	ASSET_ENJ:     "0x454e4a2d3600000000000000000000",
	ASSET_ETC:     "0x4554432d3700000000000000000000",
	ASSET_XLM:     "0x584c4d2d3500000000000000000000",
	ASSET_TRX:     "0x5452582d3400000000000000000000",
	ASSET_XTZ:     "0x58545a2d3600000000000000000000",
	ASSET_HNT:     "0x484e542d3700000000000000000000",
	ASSET_ICP:     "0x4943502d3700000000000000000000",
	ASSET_RUNE:    "0x52554e452d36000000000000000000",
	ASSET_LUNA:    "0x4c554e412d36000000000000000000",
	ASSET_NEAR:    "0x4e4541522d36000000000000000000",
	ASSET_AR:      "0x41522d370000000000000000000000",
	ASSET_FLOW:    "0x464c4f572d37000000000000000000",
	ASSET_PERP:    "0x504552502d36000000000000000000",
	ASSET_REN:     "0x52454e2d3500000000000000000000",
	ASSET_CELO:    "0x43454c4f2d36000000000000000000",
	ASSET_KSM:     "0x4b534d2d3800000000000000000000",
	ASSET_BAL:     "0x42414c2d3700000000000000000000",
	ASSET_BNT:     "0x424e542d3600000000000000000000",
	ASSET_MIR:     "0x4d49522d3600000000000000000000",
	ASSET_SRM:     "0x53524d2d3600000000000000000000",
	ASSET_LON:     "0x4c4f4e2d3600000000000000000000",
	ASSET_DODO:    "0x444f444f2d36000000000000000000",
	ASSET_ALPHA:   "0x414c5048412d350000000000000000",
	ASSET_WNXM:    "0x574e584d2d37000000000000000000",
	ASSET_XCH:     "0x5843482d3800000000000000000000",
}
View Source 
var SYNTHETIC_ASSET_MAP = map[string]string{
	MARKET_BTC_USD:     ASSET_BTC,
	MARKET_ETH_USD:     ASSET_ETH,
	MARKET_LINK_USD:    ASSET_LINK,
	MARKET_AAVE_USD:    ASSET_AAVE,
	MARKET_UNI_USD:     ASSET_UNI,
	MARKET_SUSHI_USD:   ASSET_SUSHI,
	MARKET_SOL_USD:     ASSET_SOL,
	MARKET_YFI_USD:     ASSET_YFI,
	MARKET_ONEINCH_USD: ASSET_ONEINCH,
	MARKET_AVAX_USD:    ASSET_AVAX,
	MARKET_SNX_USD:     ASSET_SNX,
	MARKET_CRV_USD:     ASSET_CRV,
	MARKET_UMA_USD:     ASSET_UMA,
	MARKET_DOT_USD:     ASSET_DOT,
	MARKET_DOGE_USD:    ASSET_DOGE,
	MARKET_MATIC_USD:   ASSET_MATIC,
	MARKET_MKR_USD:     ASSET_MKR,
	MARKET_FIL_USD:     ASSET_FIL,
	MARKET_ADA_USD:     ASSET_ADA,
	MARKET_ATOM_USD:    ASSET_ATOM,
	MARKET_COMP_USD:    ASSET_COMP,
	MARKET_BCH_USD:     ASSET_BCH,
	MARKET_LTC_USD:     ASSET_LTC,
	MARKET_EOS_USD:     ASSET_EOS,
	MARKET_ALGO_USD:    ASSET_ALGO,
	MARKET_ZRX_USD:     ASSET_ZRX,
	MARKET_XMR_USD:     ASSET_XMR,
	MARKET_ZEC_USD:     ASSET_ZEC,
	MARKET_ENJ_USD:     ASSET_ENJ,
	MARKET_ETC_USD:     ASSET_ETC,
	MARKET_XLM_USD:     ASSET_XLM,
	MARKET_TRX_USD:     ASSET_TRX,
	MARKET_XTZ_USD:     ASSET_XTZ,
	MARKET_HNT_USD:     ASSET_HNT,
	MARKET_ICP_USD:     ASSET_ICP,
	MARKET_RUNE_USD:    ASSET_RUNE,
	MARKET_LUNA_USD:    ASSET_LUNA,
	MARKET_NEAR_USD:    ASSET_NEAR,
	MARKET_AR_USD:      ASSET_AR,
	MARKET_FLOW_USD:    ASSET_FLOW,
	MARKET_PERP_USD:    ASSET_PERP,
	MARKET_REN_USD:     ASSET_REN,
	MARKET_CELO_USD:    ASSET_CELO,
	MARKET_KSM_USD:     ASSET_KSM,
	MARKET_BAL_USD:     ASSET_BAL,
	MARKET_BNT_USD:     ASSET_BNT,
	MARKET_MIR_USD:     ASSET_MIR,
	MARKET_SRM_USD:     ASSET_SRM,
	MARKET_LON_USD:     ASSET_LON,
	MARKET_DODO_USD:    ASSET_DODO,
	MARKET_ALPHA_USD:   ASSET_ALPHA,
	MARKET_WNXM_USD:    ASSET_WNXM,
	MARKET_XCH_USD:     ASSET_XCH,
}
View Source 
var SYNTHETIC_ID_MAP = SYNTHETIC_ASSET_ID_MAP
View Source 
var TOKEN_CONTRACTS = map[string]map[int]string{
	COLLATERAL_ASSET: {
		NETWORK_ID_MAINNET: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
		NETWORK_ID_ROPSTEN: "0x8707A5bf4C2842d46B31A405Ba41b858C0F876c4",
	},
}
View Source 
var WITHDRAWAL_FIELD_BIT_LENGTHS = map[string]uint{
	"asset_id":               250,
	"position_id":            64,
	"nonce":                  32,
	"quantums_amount":        64,
	"expiration_epoch_hours": 32,
}

Functions

func FactToCondition 

func FactToCondition(factRegistryAddress string, fact string) *big.Int

FactToCondition Generate the condition, signed as part of a conditional transfer.

func GenerateKRfc6979 

func GenerateKRfc6979(msgHash, priKey *big.Int, seed int) *big.Int

func GetTransferErc20Fact 

func GetTransferErc20Fact(recipient string, tokenDecimals int, humanAmount, tokenAddress, salt string) (string, error)

GetTransferErc20Fact get erc20 fact tokenDecimals is COLLATERAL_TOKEN_DECIMALS

func IntToHex32 

func IntToHex32(x *big.Int) string

IntToHex32 Normalize to a 32-byte hex string without 0x prefix.

func NonceByClientId 

func NonceByClientId(clientId string) *big.Int

NonceByClientId generate nonce by clientId

func OrderSign 

func OrderSign(starkPrivateKey string, param OrderSignParam) (string, error)

func PedersenHash 

func PedersenHash(str ...string) string

func PrivateKeyToEcPointOnStarkCurv 

func PrivateKeyToEcPointOnStarkCurv(priv_key *big.Int) (*big.Int, *big.Int, error)

func SerializeSignature 

func SerializeSignature(r, s *big.Int) string

SerializeSignature Convert a Sign from an r, s pair to a 32-byte hex string.

func ToJsonString 

func ToJsonString(input interface{}) string

func TransferSign 

func TransferSign(starkPrivateKey string, param TransferSignParam) (string, error)

func WithdrawSign 

func WithdrawSign(starkPrivateKey string, param WithdrawSignParam) (string, error)

Types

type Hash 

type Hash [HashLength]byte

Hash represents the 32 byte Keccak256 hash of arbitrary data.

func (Hash) Big 

func (h Hash) Big() *big.Int

Big converts a hash to a big integer.

type OrderSignParam 

type OrderSignParam struct {
	NetworkId  int    `json:"network_id"` // 1 MAINNET 3 ROPSTEN
	PositionId int64  `json:"position_id"`
	Market     string `json:"market"`
	Side       string `json:"side"`
	HumanSize  string `json:"human_size"`
	HumanPrice string `json:"human_price"`
	LimitFee   string `json:"limit_fee"`
	ClientId   string `json:"clientId"`
	Expiration string `json:"expiration"` // 2006-01-02T15:04:05.000Z
}

type OrderSigner 

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

type PedersenCfg 

type PedersenCfg struct {
	Comment        string        `json:"_comment"`
	FieldPrime     *big.Int      `json:"FIELD_PRIME"`
	FieldGen       int           `json:"FIELD_GEN"`
	EcOrder        *big.Int      `json:"EC_ORDER"`
	ALPHA          int           `json:"ALPHA"`
	BETA           *big.Int      `json:"BETA"`
	ConstantPoints [][2]*big.Int `json:"CONSTANT_POINTS"`
}

type Signable 

type Signable interface {
	// contains filtered or unexported methods
}

type Signer 

type Signer struct {
	NetworkId int
	// contains filtered or unexported fields
}

func NewSigner 

func NewSigner(starkPrivateKey string) *Signer

func (*Signer) SetNetworkId 

func (s *Signer) SetNetworkId(networkId int) *Signer

func (*Signer) SetSigner 

func (s *Signer) SetSigner(signer Signable) *Signer

func (*Signer) Sign 

func (s *Signer) Sign() (string, error)

func (*Signer) SignOrder 

func (s *Signer) SignOrder(param OrderSignParam) (string, error)

func (*Signer) SignTransfer 

func (s *Signer) SignTransfer(param TransferSignParam) (string, error)

func (*Signer) SignWithdraw 

func (s *Signer) SignWithdraw(param WithdrawSignParam) (string, error)

type TransferSignParam 

type TransferSignParam struct {
	NetworkId          int    `json:"network_id"` // 1 MAINNET 3 ROPSTEN
	SenderPositionId   int64  `json:"sender_position_id"`
	ReceiverPositionId int64  `json:"receiver_position_id"`
	ReceiverPublicKey  string `json:"receiver_public_key"`
	ReceiverAddress    string `json:"receiver_address"`
	CreditAmount       string `json:"credit_amount"`
	DebitAmount        string `json:"debit_amount"`
	Expiration         string `json:"expiration"`
	ClientId           string `json:"client_id"`
}

type TransferSigner 

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

type WithdrawSignParam 

type WithdrawSignParam struct {
	NetworkId   int    `json:"network_id"` // 1 MAINNET 3 ROPSTEN
	PositionId  int64  `json:"position_id"`
	HumanAmount string `json:"human_amount"`
	ClientId    string `json:"clientId"`
	Expiration  string `json:"expiration"` // 2006-01-02T15:04:05.000Z
}

type WithdrawSigner 

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

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