Hydro
  • Getting Started
  • Raindrop
    • Raindrop Overview
    • Client Side Raindrop
      • Client-Side Raindrop Overview
      • Handling User Signatures
      • Recognizing Users
      • User Account Management
        • Check if Username is Taken
        • Creating HydroIDs
        • Creating HydroIDs (delegated)
        • Deleting Users
      • Verifying signatures
    • Server Side Raindrop
  • Snowflake
    • Snowflake Overview
      • Setting Up Snowflake
      • Naming Conventions
      • Handling User Signatures
    • Address Management
      • Adding Addresses
      • Removing Addresses
    • Provider Management
      • Add Providers
      • Upgrade Providers
    • Resolver Management
      • Adding Resolvers
      • Adding Resolvers (delegated)
      • Removing Resolvers
    • Allowances in Snowflake
      • User Hydro Balances and the Allowance Structure
      • Allowance management logic
      • Setting Initial DApp Allowances
      • Changing DApp Allowances
      • Change DApp Allowances (Delegated)
    • Payments in Snowflake
      • Self-Initiated Payments
      • Resolver-Initiated Payments
        • EIN - EIN Transfer
        • EIN - Address Withdrawal
      • Resolver-Initiated Via Payments
        • EIN - Via - EIN Transfer
        • EIN - Via - Address Withdrawals
      • Resolver-As-Escrow Payments
        • Resolver - EIN Transfer
        • Resolver - Address Withdrawal
      • Resolver-As-Escrow Via Payments
        • Resolver - Via - EIN Transfer
        • Resolver - Via - Address Withdrawal
    • Building a Resolver
      • Smart Contract
      • React Front-End
    • Building a Via Contract
  • Ice
    • Untitled
  • Tide
    • Untitled
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  1. Snowflake
  2. Allowances in Snowflake

Allowance management logic

The handleAllowance internal function defines the logic for when an Allowance is being used. Allowance usage is broken down in the Payments Through Snowflake section.

Allowances must be set by an EIN for a Resolver in order for the Resolver to operate on them. Allowances can be set when the Resolver is added, and they can be changed at any time. Once an allowance is set, a Resolver may withdraw from the EIN‘s HYDRO balance up to the quantity of the Allowance.

When executing resolver-initiated payments, handleAllowance checks that:

  • The Resolver is set for the EIN

  • The balance being used by the Resolver is within the Resolver‘s allowance.

PreviousUser Hydro Balances and the Allowance StructureNextSetting Initial DApp Allowances

Last updated 6 years ago

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