Class: Hyperliquid::Exchange

Inherits:
Object
  • Object
show all
Defined in:
lib/hyperliquid/exchange.rb

Overview

Exchange API client for write operations (orders, cancels, etc.) Requires a private key for signing transactions

Constant Summary collapse

DEFAULT_SLIPPAGE =

Default slippage for market orders (5%)

0.05
SPOT_ASSET_THRESHOLD =

Spot assets have indices >= 10000

10_000

Instance Method Summary collapse

Constructor Details

#initialize(client:, signer:, info:, testnet: false, expires_after: nil) ⇒ Exchange

Initialize the exchange client

Parameters:

  • client (Hyperliquid::Client) —

    HTTP client

  • signer (Hyperliquid::Signing::Signer) —

    EIP-712 signer

  • info (Hyperliquid::Info) —

    Info API client for metadata

  • testnet (Boolean) (defaults to: false) —

    Whether targeting testnet (default: false)

  • expires_after (Integer, nil) (defaults to: nil) —

    Optional global expiration timestamp



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# File 'lib/hyperliquid/exchange.rb', line 21

def initialize(client:, signer:, info:, testnet: false, expires_after: nil)
  @client = client
  @signer = signer
  @info = info
  @testnet = testnet
  @expires_after = expires_after
  @asset_cache = nil
end

Instance Method Details

#address ⇒ String

Get the wallet address

Returns:

  • (String) —

    Checksummed Ethereum address



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# File 'lib/hyperliquid/exchange.rb', line 32

def address
  @signer.address
end

#agent_enable_dex_abstraction(vault_address: nil) ⇒ Hash

Enable HIP-3 DEX abstraction via agent (L1 action, enable only) This allows agents to enable DEX abstraction for the account they’re trading on behalf of

Parameters:

  • vault_address (String, nil) (defaults to: nil) —

    Vault address if trading on behalf of a vault

Returns:

  • (Hash) —

    Agent enable DEX abstraction response



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# File 'lib/hyperliquid/exchange.rb', line 683

def agent_enable_dex_abstraction(vault_address: nil)
  nonce = timestamp_ms
  action = { type: 'agentEnableDexAbstraction' }
  signature = @signer.sign_l1_action(
    action, nonce,
    vault_address: vault_address,
    expires_after: @expires_after
  )
  post_action(action, signature, nonce, vault_address)
end

#approve_agent(agent_address:, agent_name: nil) ⇒ Hash

Authorize an agent wallet to trade on behalf of this account

Parameters:

  • agent_address (String) —

    Agent’s Ethereum address

  • agent_name (String, nil) (defaults to: nil) —

    Optional agent name (omitted from action if nil)

Returns:

  • (Hash) —

    Approve agent response



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# File 'lib/hyperliquid/exchange.rb', line 588

def approve_agent(agent_address:, agent_name: nil)
  nonce = timestamp_ms
  action = {
    type: 'approveAgent',
    signatureChainId: '0x66eee',
    hyperliquidChain: Signing::EIP712.hyperliquid_chain(testnet: @testnet),
    agentAddress: agent_address,
    nonce: nonce
  }
  # agentName is always included in the signed message (empty string if nil),
  # but only included in the posted action if a name was provided (matches Python SDK)
  action[:agentName] = agent_name if agent_name
  signature = @signer.sign_user_signed_action(
    { agentAddress: agent_address, agentName: agent_name || '', nonce: nonce },
    'HyperliquidTransaction:ApproveAgent',
    Signing::EIP712::APPROVE_AGENT_TYPES
  )
  post_action(action, signature, nonce, nil)
end

#approve_builder_fee(builder:, max_fee_rate:) ⇒ Hash

Approve a builder fee rate for a builder address Users must approve a builder before orders with that builder can be placed.

Parameters:

  • builder (String) —

    Builder’s Ethereum address

  • max_fee_rate (String) —

    Maximum fee rate (e.g., “0.01%” for 1 basis point)

Returns:

  • (Hash) —

    Approve builder fee response



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# File 'lib/hyperliquid/exchange.rb', line 613

def approve_builder_fee(builder:, max_fee_rate:)
  nonce = timestamp_ms
  action = {
    type: 'approveBuilderFee',
    signatureChainId: '0x66eee',
    hyperliquidChain: Signing::EIP712.hyperliquid_chain(testnet: @testnet),
    maxFeeRate: max_fee_rate,
    builder: builder,
    nonce: nonce
  }
  signature = @signer.sign_user_signed_action(
    { maxFeeRate: max_fee_rate, builder: builder, nonce: nonce },
    'HyperliquidTransaction:ApproveBuilderFee',
    Signing::EIP712::APPROVE_BUILDER_FEE_TYPES
  )
  post_action(action, signature, nonce, nil)
end

#batch_modify(modifies:, vault_address: nil) ⇒ Hash

Modify multiple orders at once

Parameters:

  • modifies (Array<Hash>) —

    Array of modify hashes with keys: :oid, :coin, :is_buy, :size, :limit_px, :order_type, :reduce_only, :cloid

  • vault_address (String, nil) (defaults to: nil) —

    Vault address for vault trading (optional)

Returns:

  • (Hash) —

    Batch modify response



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# File 'lib/hyperliquid/exchange.rb', line 254

def batch_modify(modifies:, vault_address: nil)
  nonce = timestamp_ms

  modify_wires = modifies.map do |m|
    order_wire = build_order_wire(
      coin: m[:coin],
      is_buy: m[:is_buy],
      size: m[:size],
      limit_px: m[:limit_px],
      order_type: m[:order_type] || { limit: { tif: 'Gtc' } },
      reduce_only: m[:reduce_only] || false,
      cloid: m[:cloid]
    )
    { oid: normalize_oid(m[:oid]), order: order_wire }
  end

  action = {
    type: 'batchModify',
    modifies: modify_wires
  }

  signature = @signer.sign_l1_action(
    action, nonce,
    vault_address: vault_address,
    expires_after: @expires_after
  )
  post_action(action, signature, nonce, vault_address)
end

#bulk_cancel(cancels:, vault_address: nil) ⇒ Hash

Cancel multiple orders by order ID

Parameters:

  • cancels (Array<Hash>) —

    Array of cancel hashes with :coin and :oid

  • vault_address (String, nil) (defaults to: nil) —

    Vault address for vault trading (optional)

Returns:

  • (Hash) —

    Bulk cancel response



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# File 'lib/hyperliquid/exchange.rb', line 189

def bulk_cancel(cancels:, vault_address: nil)
  nonce = timestamp_ms

  cancel_wires = cancels.map do |c|
    { a: asset_index(c[:coin]), o: c[:oid] }
  end
  action = { type: 'cancel', cancels: cancel_wires }

  signature = @signer.sign_l1_action(
    action, nonce,
    vault_address: vault_address,
    expires_after: @expires_after
  )
  post_action(action, signature, nonce, vault_address)
end

#bulk_cancel_by_cloid(cancels:, vault_address: nil) ⇒ Hash

Cancel multiple orders by client order ID

Parameters:

  • cancels (Array<Hash>) —

    Array of cancel hashes with :coin and :cloid

  • vault_address (String, nil) (defaults to: nil) —

    Vault address for vault trading (optional)

Returns:

  • (Hash) —

    Bulk cancel by cloid response



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# File 'lib/hyperliquid/exchange.rb', line 209

def bulk_cancel_by_cloid(cancels:, vault_address: nil)
  nonce = timestamp_ms

  cancel_wires = cancels.map do |c|
    { asset: asset_index(c[:coin]), cloid: normalize_cloid(c[:cloid]) }
  end
  action = { type: 'cancelByCloid', cancels: cancel_wires }

  signature = @signer.sign_l1_action(
    action, nonce,
    vault_address: vault_address,
    expires_after: @expires_after
  )
  post_action(action, signature, nonce, vault_address)
end

#bulk_orders(orders:, grouping: 'na', vault_address: nil, builder: nil) ⇒ Hash

Place multiple orders in a batch

Parameters:

  • orders (Array<Hash>) —

    Array of order hashes with keys: :coin, :is_buy, :size, :limit_px, :order_type, :reduce_only, :cloid

  • grouping (String) (defaults to: 'na') —

    Order grouping (“na”, “normalTpsl”, “positionTpsl”)

  • vault_address (String, nil) (defaults to: nil) —

    Vault address for vault trading (optional)

  • builder (Hash, nil) (defaults to: nil) —

    Builder fee config { b: “0xaddress”, f: fee_in_tenths_of_bp } (optional)

Returns:

  • (Hash) —

    Bulk order response



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# File 'lib/hyperliquid/exchange.rb', line 83

def bulk_orders(orders:, grouping: 'na', vault_address: nil, builder: nil)
  nonce = timestamp_ms

  order_wires = orders.map do |o|
    build_order_wire(
      coin: o[:coin],
      is_buy: o[:is_buy],
      size: o[:size],
      limit_px: o[:limit_px],
      order_type: o[:order_type] || { limit: { tif: 'Gtc' } },
      reduce_only: o[:reduce_only] || false,
      cloid: o[:cloid]
    )
  end

  action = {
    type: 'order',
    orders: order_wires,
    grouping: grouping
  }
  action[:builder] = normalize_builder(builder) if builder

  signature = @signer.sign_l1_action(
    action, nonce,
    vault_address: vault_address,
    expires_after: @expires_after
  )
  post_action(action, signature, nonce, vault_address)
end

#cancel(coin:, oid:, vault_address: nil) ⇒ Hash

Cancel a single order by order ID

Parameters:

  • coin (String) —

    Asset symbol

  • oid (Integer) —

    Order ID

  • vault_address (String, nil) (defaults to: nil) —

    Vault address for vault trading (optional)

Returns:

  • (Hash) —

    Cancel response



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# File 'lib/hyperliquid/exchange.rb', line 147

def cancel(coin:, oid:, vault_address: nil)
  nonce = timestamp_ms

  action = {
    type: 'cancel',
    cancels: [{ a: asset_index(coin), o: oid }]
  }

  signature = @signer.sign_l1_action(
    action, nonce,
    vault_address: vault_address,
    expires_after: @expires_after
  )
  post_action(action, signature, nonce, vault_address)
end

#cancel_by_cloid(coin:, cloid:, vault_address: nil) ⇒ Hash

Cancel a single order by client order ID

Parameters:

  • coin (String) —

    Asset symbol

  • cloid (Cloid, String) —

    Client order ID

  • vault_address (String, nil) (defaults to: nil) —

    Vault address for vault trading (optional)

Returns:

  • (Hash) —

    Cancel response



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# File 'lib/hyperliquid/exchange.rb', line 168

def cancel_by_cloid(coin:, cloid:, vault_address: nil)
  nonce = timestamp_ms
  cloid_raw = normalize_cloid(cloid)

  action = {
    type: 'cancelByCloid',
    cancels: [{ asset: asset_index(coin), cloid: cloid_raw }]
  }

  signature = @signer.sign_l1_action(
    action, nonce,
    vault_address: vault_address,
    expires_after: @expires_after
  )
  post_action(action, signature, nonce, vault_address)
end

#create_sub_account(name:) ⇒ Hash

Create a sub-account

Parameters:

  • name (String) —

    Sub-account name

Returns:

  • (Hash) —

    Creation response



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# File 'lib/hyperliquid/exchange.rb', line 514

def (name:)
  nonce = timestamp_ms
  action = { type: 'createSubAccount', name: name }
  signature = @signer.sign_l1_action(action, nonce)
  post_action(action, signature, nonce, nil)
end

#market_close(coin:, size: nil, slippage: DEFAULT_SLIPPAGE, cloid: nil, vault_address: nil, builder: nil) ⇒ Hash

Close a position at market price

Parameters:

  • coin (String) —

    Asset symbol (perps only)

  • size (Numeric, nil) (defaults to: nil) —

    Size to close (nil = close entire position)

  • slippage (Float) (defaults to: DEFAULT_SLIPPAGE) —

    Slippage tolerance (default: 5%)

  • cloid (Cloid, String, nil) (defaults to: nil) —

    Client order ID (optional)

  • vault_address (String, nil) (defaults to: nil) —

    Vault address for vault trading (optional)

  • builder (Hash, nil) (defaults to: nil) —

    Builder fee config { b: “0xaddress”, f: fee_in_tenths_of_bp } (optional)

Returns:

  • (Hash) —

    Order response

Raises:

  • (ArgumentError) 


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# File 'lib/hyperliquid/exchange.rb', line 356

def market_close(coin:, size: nil, slippage: DEFAULT_SLIPPAGE, cloid: nil, vault_address: nil, builder: nil)
  address = vault_address || @signer.address
  dex_prefix = extract_dex_prefix(coin)
  state = dex_prefix ? @info.user_state(address, dex: dex_prefix) : @info.user_state(address)

  position = state['assetPositions']&.find do |pos|
    pos.dig('position', 'coin') == coin
  end
  raise ArgumentError, "No open position found for #{coin}" unless position

  szi = position.dig('position', 'szi').to_f
  is_buy = szi.negative?
  close_size = size || szi.abs

  mids = dex_prefix ? @info.all_mids(dex: dex_prefix) : @info.all_mids
  mid = mids[coin]&.to_f
  raise ArgumentError, "Unknown asset or no price available: #{coin}" unless mid&.positive?

  slippage_price = calculate_slippage_price(coin, mid, is_buy, slippage)

  order(
    coin: coin,
    is_buy: is_buy,
    size: close_size,
    limit_px: slippage_price,
    order_type: { limit: { tif: 'Ioc' } },
    reduce_only: true,
    cloid: cloid,
    vault_address: vault_address,
    builder: builder
  )
end

#market_order(coin:, is_buy:, size:, slippage: DEFAULT_SLIPPAGE, vault_address: nil, builder: nil) ⇒ Hash

Place a market order (aggressive limit IoC with slippage)

Parameters:

  • coin (String) —

    Asset symbol

  • is_buy (Boolean) —

    True for buy, false for sell

  • size (String, Numeric) —

    Order size

  • slippage (Float) (defaults to: DEFAULT_SLIPPAGE) —

    Slippage tolerance (default: 0.05 = 5%)

  • vault_address (String, nil) (defaults to: nil) —

    Vault address for vault trading (optional)

  • builder (Hash, nil) (defaults to: nil) —

    Builder fee config { b: “0xaddress”, f: fee_in_tenths_of_bp } (optional)

Returns:

  • (Hash) —

    Order response

Raises:

  • (ArgumentError) 


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# File 'lib/hyperliquid/exchange.rb', line 121

def market_order(coin:, is_buy:, size:, slippage: DEFAULT_SLIPPAGE, vault_address: nil, builder: nil)
  # Get current mid price (use dex-specific endpoint for HIP-3 assets)
  dex_prefix = extract_dex_prefix(coin)
  mids = dex_prefix ? @info.all_mids(dex: dex_prefix) : @info.all_mids
  mid = mids[coin]&.to_f
  raise ArgumentError, "Unknown asset or no price available: #{coin}" unless mid&.positive?

  # Apply slippage and round to appropriate precision
  slippage_price = calculate_slippage_price(coin, mid, is_buy, slippage)

  order(
    coin: coin,
    is_buy: is_buy,
    size: size,
    limit_px: slippage_price,
    order_type: { limit: { tif: 'Ioc' } },
    vault_address: vault_address,
    builder: builder
  )
end

#modify_order(oid:, coin:, is_buy:, size:, limit_px:, order_type: { limit: { tif: 'Gtc' } }, reduce_only: false, cloid: nil, vault_address: nil) ⇒ Hash

Modify a single existing order

Parameters:

  • oid (Integer, Cloid, String) —

    Order ID or client order ID to modify

  • coin (String) —

    Asset symbol (e.g., “BTC”)

  • is_buy (Boolean) —

    True for buy, false for sell

  • size (String, Numeric) —

    New order size

  • limit_px (String, Numeric) —

    New limit price

  • order_type (Hash) (defaults to: { limit: { tif: 'Gtc' } }) —

    Order type config (default: { limit: { tif: “Gtc” } })

  • reduce_only (Boolean) (defaults to: false) —

    Reduce-only flag (default: false)

  • cloid (Cloid, String, nil) (defaults to: nil) —

    Client order ID for the modified order (optional)

  • vault_address (String, nil) (defaults to: nil) —

    Vault address for vault trading (optional)

Returns:

  • (Hash) —

    Modify response



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# File 'lib/hyperliquid/exchange.rb', line 236

def modify_order(oid:, coin:, is_buy:, size:, limit_px:,
                 order_type: { limit: { tif: 'Gtc' } },
                 reduce_only: false, cloid: nil, vault_address: nil)
  batch_modify(
    modifies: [{
      oid: oid, coin: coin, is_buy: is_buy, size: size,
      limit_px: limit_px, order_type: order_type,
      reduce_only: reduce_only, cloid: cloid
    }],
    vault_address: vault_address
  )
end

#order(coin:, is_buy:, size:, limit_px:, order_type: { limit: { tif: 'Gtc' } }, reduce_only: false, cloid: nil, vault_address: nil, builder: nil) ⇒ Hash

Place a single order

Parameters:

  • coin (String) —

    Asset symbol (e.g., “BTC”)

  • is_buy (Boolean) —

    True for buy, false for sell

  • size (String, Numeric) —

    Order size

  • limit_px (String, Numeric) —

    Limit price

  • order_type (Hash) (defaults to: { limit: { tif: 'Gtc' } }) —

    Order type config (default: { limit: { tif: “Gtc” } })

  • reduce_only (Boolean) (defaults to: false) —

    Reduce-only flag (default: false)

  • cloid (Cloid, String, nil) (defaults to: nil) —

    Client order ID (optional)

  • vault_address (String, nil) (defaults to: nil) —

    Vault address for vault trading (optional)

  • builder (Hash, nil) (defaults to: nil) —

    Builder fee config { b: “0xaddress”, f: fee_in_tenths_of_bp } (optional)

Returns:

  • (Hash) —

    Order response



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# File 'lib/hyperliquid/exchange.rb', line 47

def order(coin:, is_buy:, size:, limit_px:, order_type: { limit: { tif: 'Gtc' } },
          reduce_only: false, cloid: nil, vault_address: nil, builder: nil)
  nonce = timestamp_ms

  order_wire = build_order_wire(
    coin: coin,
    is_buy: is_buy,
    size: size,
    limit_px: limit_px,
    order_type: order_type,
    reduce_only: reduce_only,
    cloid: cloid
  )

  action = {
    type: 'order',
    orders: [order_wire],
    grouping: 'na'
  }
  action[:builder] = normalize_builder(builder) if builder

  signature = @signer.sign_l1_action(
    action, nonce,
    vault_address: vault_address,
    expires_after: @expires_after
  )
  post_action(action, signature, nonce, vault_address)
end

#reload_metadata! ⇒ Object

Clear the asset metadata cache Call this if metadata has been updated



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# File 'lib/hyperliquid/exchange.rb', line 696

def reload_metadata!
  @asset_cache = nil
end

#schedule_cancel(time: nil, vault_address: nil) ⇒ Hash

Schedule automatic cancellation of all orders

Parameters:

  • time (Integer, nil) (defaults to: nil) —

    UTC timestamp in milliseconds to cancel at (nil to activate with server default)

  • vault_address (String, nil) (defaults to: nil) —

    Vault address for vault trading (optional)

Returns:

  • (Hash) —

    Schedule cancel response



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# File 'lib/hyperliquid/exchange.rb', line 334

def schedule_cancel(time: nil, vault_address: nil)
  nonce = timestamp_ms

  action = { type: 'scheduleCancel' }
  action[:time] = time if time

  signature = @signer.sign_l1_action(
    action, nonce,
    vault_address: vault_address,
    expires_after: @expires_after
  )
  post_action(action, signature, nonce, vault_address)
end

#send_asset(destination:, source_dex:, destination_dex:, token:, amount:) ⇒ Hash

Move assets between DEX instances

Parameters:

  • destination (String) —

    Destination wallet address

  • source_dex (String) —

    Source DEX identifier

  • destination_dex (String) —

    Destination DEX identifier

  • token (String) —

    Token identifier

  • amount (String, Numeric) —

    Amount to send

Returns:

  • (Hash) —

    Transfer response



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# File 'lib/hyperliquid/exchange.rb', line 486

def send_asset(destination:, source_dex:, destination_dex:, token:, amount:)
  nonce = timestamp_ms
  action = {
    type: 'sendAsset',
    signatureChainId: '0x66eee',
    hyperliquidChain: Signing::EIP712.hyperliquid_chain(testnet: @testnet),
    destination: destination,
    sourceDex: source_dex,
    destinationDex: destination_dex,
    token: token,
    amount: amount.to_s,
    fromSubAccount: '',
    nonce: nonce
  }
  signature = @signer.sign_user_signed_action(
    {
      destination: destination, sourceDex: source_dex, destinationDex: destination_dex,
      token: token, amount: amount.to_s, fromSubAccount: '', nonce: nonce
    },
    'HyperliquidTransaction:SendAsset',
    Signing::EIP712::SEND_ASSET_TYPES
  )
  post_action(action, signature, nonce, nil)
end

#set_referrer(code:) ⇒ Hash

Set referral code

Parameters:

  • code (String) —

    Referral code

Returns:

  • (Hash) —

    Set referrer response



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# File 'lib/hyperliquid/exchange.rb', line 577

def set_referrer(code:)
  nonce = timestamp_ms
  action = { type: 'setReferrer', code: code }
  signature = @signer.sign_l1_action(action, nonce)
  post_action(action, signature, nonce, nil)
end

#spot_send(amount:, destination:, token:) ⇒ Hash

Transfer a spot token to another address

Parameters:

  • amount (String, Numeric) —

    Amount to send

  • destination (String) —

    Destination wallet address

  • token (String) —

    Token identifier

Returns:

  • (Hash) —

    Transfer response



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# File 'lib/hyperliquid/exchange.rb', line 416

def spot_send(amount:, destination:, token:)
  nonce = timestamp_ms
  action = {
    type: 'spotSend',
    signatureChainId: '0x66eee',
    hyperliquidChain: Signing::EIP712.hyperliquid_chain(testnet: @testnet),
    destination: destination,
    token: token,
    amount: amount.to_s,
    time: nonce
  }
  signature = @signer.sign_user_signed_action(
    { destination: destination, token: token, amount: amount.to_s, time: nonce },
    'HyperliquidTransaction:SpotSend',
    Signing::EIP712::SPOT_SEND_TYPES
  )
  post_action(action, signature, nonce, nil)
end

#sub_account_spot_transfer(sub_account_user:, is_deposit:, token:, amount:) ⇒ Hash

Transfer spot tokens to/from a sub-account

Parameters:

  • sub_account_user (String) —

    Sub-account wallet address

  • is_deposit (Boolean) —

    True to deposit into sub-account, false to withdraw

  • token (String) —

    Token identifier

  • amount (String, Numeric) —

    Amount to transfer

Returns:

  • (Hash) —

    Transfer response



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# File 'lib/hyperliquid/exchange.rb', line 544

def (sub_account_user:, is_deposit:, token:, amount:)
  nonce = timestamp_ms
  action = {
    type: 'subAccountSpotTransfer',
    subAccountUser: ,
    isDeposit: is_deposit,
    token: token,
    amount: amount.to_s
  }
  signature = @signer.sign_l1_action(action, nonce)
  post_action(action, signature, nonce, nil)
end

#sub_account_transfer(sub_account_user:, is_deposit:, usd:) ⇒ Hash

Transfer USDC to/from a sub-account

Parameters:

  • sub_account_user (String) —

    Sub-account wallet address

  • is_deposit (Boolean) —

    True to deposit into sub-account, false to withdraw

  • usd (Numeric) —

    Amount in USD

Returns:

  • (Hash) —

    Transfer response



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# File 'lib/hyperliquid/exchange.rb', line 526

def (sub_account_user:, is_deposit:, usd:)
  nonce = timestamp_ms
  action = {
    type: 'subAccountTransfer',
    subAccountUser: ,
    isDeposit: is_deposit,
    usd: float_to_usd_int(usd)
  }
  signature = @signer.sign_l1_action(action, nonce)
  post_action(action, signature, nonce, nil)
end

#token_delegate(validator:, wei:, is_undelegate:) ⇒ Hash

Delegate or undelegate HYPE tokens to a validator

Parameters:

  • validator (String) —

    Validator’s Ethereum address

  • wei (Integer) —

    Amount as float * 1e8 (e.g., 1 HYPE = 100_000_000)

  • is_undelegate (Boolean) —

    True to undelegate, false to delegate

Returns:

  • (Hash) —

    Token delegate response



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# File 'lib/hyperliquid/exchange.rb', line 636

def token_delegate(validator:, wei:, is_undelegate:)
  nonce = timestamp_ms
  action = {
    type: 'tokenDelegate',
    signatureChainId: '0x66eee',
    hyperliquidChain: Signing::EIP712.hyperliquid_chain(testnet: @testnet),
    validator: validator,
    wei: wei,
    isUndelegate: is_undelegate,
    nonce: nonce
  }
  signature = @signer.sign_user_signed_action(
    { validator: validator, wei: wei, isUndelegate: is_undelegate, nonce: nonce },
    'HyperliquidTransaction:TokenDelegate',
    Signing::EIP712::TOKEN_DELEGATE_TYPES
  )
  post_action(action, signature, nonce, nil)
end

#update_isolated_margin(coin:, amount:, vault_address: nil) ⇒ Hash

Add or remove isolated margin for a position

Parameters:

  • coin (String) —

    Asset symbol (perps only)

  • amount (Numeric) —

    Amount in USD (positive to add, negative to remove)

  • vault_address (String, nil) (defaults to: nil) —

    Vault address for vault trading (optional)

Returns:

  • (Hash) —

    Margin update response



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# File 'lib/hyperliquid/exchange.rb', line 312

def update_isolated_margin(coin:, amount:, vault_address: nil)
  nonce = timestamp_ms

  action = {
    type: 'updateIsolatedMargin',
    asset: asset_index(coin),
    isBuy: true,
    ntli: float_to_usd_int(amount)
  }

  signature = @signer.sign_l1_action(
    action, nonce,
    vault_address: vault_address,
    expires_after: @expires_after
  )
  post_action(action, signature, nonce, vault_address)
end

#update_leverage(coin:, leverage:, is_cross: true, vault_address: nil) ⇒ Hash

Set cross or isolated leverage for a coin

Parameters:

  • coin (String) —

    Asset symbol (perps only)

  • leverage (Integer) —

    Leverage value

  • is_cross (Boolean) (defaults to: true) —

    True for cross margin, false for isolated (default: true)

  • vault_address (String, nil) (defaults to: nil) —

    Vault address for vault trading (optional)

Returns:

  • (Hash) —

    Leverage update response



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# File 'lib/hyperliquid/exchange.rb', line 289

def update_leverage(coin:, leverage:, is_cross: true, vault_address: nil)
  nonce = timestamp_ms

  action = {
    type: 'updateLeverage',
    asset: asset_index(coin),
    isCross: is_cross,
    leverage: leverage
  }

  signature = @signer.sign_l1_action(
    action, nonce,
    vault_address: vault_address,
    expires_after: @expires_after
  )
  post_action(action, signature, nonce, vault_address)
end

#usd_class_transfer(amount:, to_perp:) ⇒ Hash

Move USDC between perp and spot accounts

Parameters:

  • amount (String, Numeric) —

    Amount to transfer

  • to_perp (Boolean) —

    True to move to perp, false to move to spot

Returns:

  • (Hash) —

    Transfer response



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# File 'lib/hyperliquid/exchange.rb', line 439

def usd_class_transfer(amount:, to_perp:)
  nonce = timestamp_ms
  action = {
    type: 'usdClassTransfer',
    signatureChainId: '0x66eee',
    hyperliquidChain: Signing::EIP712.hyperliquid_chain(testnet: @testnet),
    amount: amount.to_s,
    toPerp: to_perp,
    nonce: nonce
  }
  signature = @signer.sign_user_signed_action(
    { amount: amount.to_s, toPerp: to_perp, nonce: nonce },
    'HyperliquidTransaction:UsdClassTransfer',
    Signing::EIP712::USD_CLASS_TRANSFER_TYPES
  )
  post_action(action, signature, nonce, nil)
end

#usd_send(amount:, destination:) ⇒ Hash

Transfer USDC to another address

Parameters:

  • amount (String, Numeric) —

    Amount to send

  • destination (String) —

    Destination wallet address

Returns:

  • (Hash) —

    Transfer response



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# File 'lib/hyperliquid/exchange.rb', line 393

def usd_send(amount:, destination:)
  nonce = timestamp_ms
  action = {
    type: 'usdSend',
    signatureChainId: '0x66eee',
    hyperliquidChain: Signing::EIP712.hyperliquid_chain(testnet: @testnet),
    destination: destination,
    amount: amount.to_s,
    time: nonce
  }
  signature = @signer.sign_user_signed_action(
    { destination: destination, amount: amount.to_s, time: nonce },
    'HyperliquidTransaction:UsdSend',
    Signing::EIP712::USD_SEND_TYPES
  )
  post_action(action, signature, nonce, nil)
end

#user_dex_abstraction(enabled:, user: nil) ⇒ Hash

Enable or disable HIP-3 DEX abstraction for automatic collateral transfers When enabled, collateral is automatically transferred to HIP-3 dexes when trading

Parameters:

  • enabled (Boolean) —

    True to enable, false to disable DEX abstraction

  • user (String, nil) (defaults to: nil) —

    User address (defaults to signer address)

Returns:

  • (Hash) —

    User DEX abstraction response



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# File 'lib/hyperliquid/exchange.rb', line 660

def user_dex_abstraction(enabled:, user: nil)
  nonce = timestamp_ms
  user_address = user || @signer.address
  action = {
    type: 'userDexAbstraction',
    signatureChainId: '0x66eee',
    hyperliquidChain: Signing::EIP712.hyperliquid_chain(testnet: @testnet),
    user: user_address,
    enabled: enabled,
    nonce: nonce
  }
  signature = @signer.sign_user_signed_action(
    { user: user_address, enabled: enabled, nonce: nonce },
    'HyperliquidTransaction:UserDexAbstraction',
    Signing::EIP712::USER_DEX_ABSTRACTION_TYPES
  )
  post_action(action, signature, nonce, nil)
end

#vault_transfer(vault_address:, is_deposit:, usd:) ⇒ Hash

Deposit or withdraw USDC to/from a vault

Parameters:

  • vault_address (String) —

    Vault wallet address

  • is_deposit (Boolean) —

    True to deposit, false to withdraw

  • usd (Numeric) —

    Amount in USD

Returns:

  • (Hash) —

    Vault transfer response



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# File 'lib/hyperliquid/exchange.rb', line 562

def vault_transfer(vault_address:, is_deposit:, usd:)
  nonce = timestamp_ms
  action = {
    type: 'vaultTransfer',
    vaultAddress: vault_address,
    isDeposit: is_deposit,
    usd: float_to_usd_int(usd)
  }
  signature = @signer.sign_l1_action(action, nonce)
  post_action(action, signature, nonce, nil)
end

#withdraw_from_bridge(amount:, destination:) ⇒ Hash

Withdraw USDC via the bridge

Parameters:

  • amount (String, Numeric) —

    Amount to withdraw

  • destination (String) —

    Destination wallet address

Returns:

  • (Hash) —

    Withdrawal response



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# File 'lib/hyperliquid/exchange.rb', line 461

def withdraw_from_bridge(amount:, destination:)
  nonce = timestamp_ms
  action = {
    type: 'withdraw3',
    signatureChainId: '0x66eee',
    hyperliquidChain: Signing::EIP712.hyperliquid_chain(testnet: @testnet),
    destination: destination,
    amount: amount.to_s,
    time: nonce
  }
  signature = @signer.sign_user_signed_action(
    { destination: destination, amount: amount.to_s, time: nonce },
    'HyperliquidTransaction:Withdraw',
    Signing::EIP712::WITHDRAW_TYPES
  )
  post_action(action, signature, nonce, nil)
end