Address Provider

The Address Provider contract serves as the central registry for all Amber Finance contract addresses. It enables dynamic contract discovery and facilitates seamless upgrades and migrations by providing a single source of truth for contract locations.

Deployment

• Neutron: neutron1n6m2ykuq9w83a9kq2p6dr4202dcxjpz7a2hwutw5rk4n9kwqmdxsad65pd

Types

type Uint128 = string
type Addr = string

Queries

config

Returns the contract’s configuration.

{
  config: {
  }
}

Response:

{
  data: {
    owner?: string | null
    proposed_new_owner?: string | null
  }
}

address

Returns the address for a specific contract type.

{
  address: {
    contract_type: string
  }
}

Response:

{
  data: {
    address: Addr
  }
}

addresses

Returns all registered contract addresses.

{
  addresses: {
    limit?: number | null
    start_after?: string | null
  }
}

Response:

{
  data: {
    addresses: [
      {
        contract_type: string
        address: Addr
      },
      ...
    ]
  }
}

owner

Returns contract ownership details.

{
  owner: {
  }
}

Response:

{
  data: {
    owner?: Addr | null
    proposed_new_owner?: Addr | null
  }
}

Methods

update_owner

Updates the contract owner (admin only).

{
  update_owner: {
    new_owner: Addr
  }
}

accept_ownership

Accepts ownership transfer (proposed owner only).

{
  accept_ownership: {
  }
}

set_address

Sets the address for a specific contract type (owner only).

{
  set_address: {
    contract_type: string
    address: Addr
  }
}

remove_address

Removes a contract address (owner only).

{
  remove_address: {
    contract_type: string
  }
}

Contract Types

The Address Provider maintains addresses for the following contract types:

• red_bank - Lending and borrowing operations
• incentives - Rewards and points distribution
• oracle - Price feeds and market data
• swapper - BRT swapping functionality
• duality_swapper - Advanced DEX integration
• params - Protocol parameters and configuration
• zapper - Multi-step strategy execution
• health_computer - Health factor calculations
• credit_manager - Core account management
• account_nft - NFT representation of accounts

Usage Examples

Get Red Bank Address

curl -X GET "https://api.neutron.org/address_provider/address" \
  -H "Content-Type: application/json" \
  -d '{"contract_type": "red_bank"}'

Get All Contract Addresses

curl -X GET "https://api.neutron.org/address_provider/addresses"

Get Contract Configuration

curl -X GET "https://api.neutron.org/address_provider/config"

Integration

The Address Provider is typically used by other contracts and frontend applications to:

1. Dynamic Discovery: Locate contract addresses without hardcoding
2. Upgrade Management: Handle contract upgrades seamlessly
3. Cross-Contract Communication: Enable contracts to find each other
4. Frontend Integration: Provide real-time contract locations

This documentation reflects the Mars Protocol Address Provider contract as deployed by Amber Finance on Neutron.