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Marketplace

The Akash Marketplace is an auction for compute resources. It is the mechanism by which users acquire resources on the Akash Platform.

Overview

The Akash Marketplace revolves around Deployments, which fully describe the resources that a tenant is requesting from the network. Deployments contain Groups, which is a grouping of resources that are meant to be leased together from a single provider.

The general workflow is:

  1. A tenant creates orders.
  2. Providers bid on orders.
  3. Tenants choose winning bids and create leases.

Payments

Leases are paid from deployment owner (tenant) to the provider through a deposit & withdraw mechanism.

Tenants are required to submit a deposit when creating a deployment. Leases will be paid passively from the balance of this deposit. At any time, a lease provider may withdraw the balance owed to them from this deposit.

If the available funds in the deposit ever reaches zero, a provider may close the lease.

A tenant can add funds to their deposit at any time.

When a deployment is closed, the unspent portion of the balance will be returned to the tenant.

Payments are implemented with an escrow account module. See here for more information.

Bid Deposits

Bidding on an order requires a deposit to be made. The deposit will be returned to the provider account when the bid transitions to state CLOSED.

Bid deposits are implemented with an escrow account module. See here for more information.

On-Chain Parameters

Name Initial Value Description
deployment_min_deposit 10akt Minimum deposit to make deployments. Target: ~$10
bid_min_deposit 100akt Deposit amount required to bid. Target: ~$100

Transactions

DeploymentCreate

Creates a deployment, and open groups and orders for it.

Parameters

Name Description
DeploymentID ID of Deployment.
DepositAmount Deposit amount. Must be greater than deployment_min_deposit.
Version Hash of the manifest that is sent to the providers.
Groups A list of group descriptons.

DeploymentDeposit

Add funds to a deployment's balance.

Parameters

Name Description
DeploymentID ID of Deployment.
DepositAmount Deposit amount. Must be greater than deployment_min_deposit

GroupClose

Closes a group and any orders for it. Sent by the tenant.

Parameters

Name Description
ID ID of Group.

GroupPause

Puts a PAUSED state, and closes any and orders for it. Sent by the tenant.

Parameters

Name Description
ID ID of Group.

GroupStart

Transitions a group from state PAUSED to state OPEN. Sent by the tenant.

Parameters

Name Description
ID ID of Group.

BidCreate

Sent by a provider to bid on an open order. The required deposit will be returned when the bid transitions to state CLOSED.

Parameters

name description
OrderID ID of Order
TTL Number of blocks this bid is valid for
Deposit Deposit amount. bid_min_deposit if empty.

BidClose

Sent by provider to close a bid or a lease from an existing bid.

When closing a lease, the bid's group will be put in state PAUSED.

Parameters

name description
BidID ID of Bid

State Transitions

Object Previous State New State
Bid ACTIVE CLOSED
Lease ACTIVE CLOSED
Order ACTIVE CLOSED
Group OPEN PAUSED

LeaseCreate

Sent by tenant to create a lease.

  1. Creates a Lease from the given bid.
  2. Sets all non-winning bids to state CLOSED (deposit returned).

Parameters

name description
BidID Bid to create a lease from

MarketWithdraw

This withdraws balances earned by providing for leases and deposits of bids that have expired.

Parameters

name description
Owner Provider ID to withdraw funds for.

Models

Deployment

Name Description
ID.Owner account addres of tenant
ID.DSeq Arbitrary sequence number that identifies the deployment. Defaults to block height.
State State of the deployment.
Version Hash of the manifest that is sent to the providers.

State

Name Description
OPEN Orders may be created.
CLOSED All groups are closed. Terminal.

Group

Name Description
ID.DeploymentID Deployment ID of group.
ID.GSeq Arbitrary sequence number. Internally incremented, starting at 1.
State State of the group.

State

Name Description
OPEN Has an open or active order.
PAUSED Bid closed by provider. May be restarted.
CLOSED No open or active orders. Terminal.

Order

Name Description
ID.GroupID Group ID of group.
ID.OSeq Arbitrary sequence number. Internally incremented, starting at 1.
State State of the order.

State

Name Description
OPEN Accepting bids.
ACTIVE Open lease has been created.
CLOSED No active leases and not accepting bids. Terminal.

Bid

Name Description
ID.OrderID Group ID of group.
ID.Provider Account address of provider.
State State of the bid.
EndsOn Height at which the bid ends if it is not already matched.
Price Bid price - amount to be paid on every block.

State

Name Description
OPEN Awaiting matching.
ACTIVE Bid for an active lease (winner).
CLOSED No active leases for this bid. Terminal.

Lease

Name Description
ID The same as the bid ID for the lease.
State State of the bid.

State

Name Description
ACTIVE Active lease - tenant is paying provider on every block.
CLOSED No payments being made. Terminal.