StarkEx V4
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Introduction
High-Level Overview
Deployments
StarkEx Deep Dive 🐬
Off-chain state
StarkEx, Cairo, and SHARP
Flow Description
Off-Chain Accounts
Deposit
Withdrawal
Off-Chain Minting
Transfer
Conditional Transfer
Trade
Perpetual Specific Flows
Forced Operations
On-Chain Accounts
StarkEx Contracts
StarkEx Specific Concepts
Becoming an Oracle Provider for StarkEx
Message Encodings
Data Availability Modes
Batch Flash Loans
DeFi Pooling
Integration
Crypto 🤓
STARK Curve
Pedersen Hash Function
Key Derivation
Wallets
Important Links
StarkEx V4.0 REST API
StarkEx Perpetual V2.0 REST API
StarkEx V4.0 Cairo code
StarkEx V4.0 Contract Change Log
StarkEx SDK
StarkEx Crypto SDK
Architecture
Solution Architecture
StarkEx Applications
StarkEx Smart Contracts Architecture
StarkEx Back End Architecture
StarkEx Partner Integration
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Transfer

Step 1: Alice Sends Transfer Request to the Application

Alice sends the Application a signed Transfer request, which includes:
  • The receiving vaultId, and starkKey
  • The vaultId and starkKey of the vault that funds will be taken from
  • The relevant (quantized) amount and assetId
  • expiration_timestamp
  • nonce
See here for the full transaction structure.
In starkEx for perpetual trading, only transfer of the collateral asset id is allowed.

Step 2: Application Sends Transfer Transaction to StarkEx

The Application sends the Transfer transaction to StarkEx service. StarkEx service verifies:
  • The signature is valid and the signing starkKey matches the vaultId
  • The sender vaultId has enough funds (according to the application business logic)
  • The receiver vaultId indeed has the receiver starkKey
  • The Transfer has not expired
  • The Transfer was not executed before (checked in the ordersTree)
  • For perpetual trading: the assetId corresponds to the collateral token

Step 3: Transfer Included in a Batch

If the Transfer is valid, the Transfer is included in a batch to be submitted on-chain along with validity proof. See here for full details on state update on-chain.
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Off-Chain Minting
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Conditional Transfer
Last modified 5mo ago
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Contents
Step 1: Alice Sends Transfer Request to the Application
Step 2: Application Sends Transfer Transaction to StarkEx
Step 3: Transfer Included in a Batch