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Liquid Earth
  • What is Liquid Earth?
  • Smart Contracts
    • Overview
      • Integrated Project Intro and Business Proposition
      • Fantom Blockchain
      • The Role of Digital Assets
      • Token Supply
    • Smart Contracts Overview
      • Roles and Access Control within Liquid Earth Contracts
      • Fees
      • Payment System
      • Deployment Sequence
    • Smart Contract Repos
      • FantomAddressRegistry.sol
      • FantomArtion.sol
      • FantomAuction.sol
      • FantomBundleMarketplace.sol
      • FantomMarketplace.sol
      • FantomPriceFeed.sol
      • FantomTokenRegistry.sol
      • Verifiable.sol
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FantomPriceFeed.sol

Documentation for FantomPriceFeed.sol

Overview

FantomPriceFeed serves as a price oracle for tokens within the Fantom ecosystem. It facilitates the registration of new tokens, the setting of token prices, and the retrieval of current prices. The contract integrates with other ecosystem components like AddressRegistry and TokenRegistry.

Key Features

  • Registering new tokens

  • Setting prices for tokens

  • Retrieving current prices for tokens

  • Integration with AddressRegistry and TokenRegistry

Structs

  • Token: Contains details about a token, including its decimals and current price.

Mappings

  • tokens: Maps a token address to a Token struct, storing information about decimals and price.

Events

  • NewToken: Emitted when a new token is registered in the contract.

  • NewTokenPrice: Emitted when the price of a registered token is updated.

Methods

  • registerNewToken: Allows the owner to register a new token by specifying its address, decimals, and initial price.

  • updateTokenPrice: Allows the owner to update the price of an already registered token.

  • getPrice: Public function that retrieves the current price and decimals for a given token.

Access Control

  • Owner Only: The owner has exclusive access to register new tokens and update their prices.

  • Public: The getPrice method is open to the public for price retrieval.

Payment Methods

  1. The FantomPriceFeed contract does not involve any payments or transactions. It serves as a read-only price feed for tokens.

  2. Therefore, neither ERC20 tokens nor native tokens like ETH or FTM are used for payments in this contract.

ERC-20 Token Initialization

The contract does not initialize any ERC-20 tokens. It simply stores information about token decimals and prices for external retrieval. The specific tokens are registered and updated by the owner of the contract.

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Last updated 5 months ago