audit

Estiapayments

The Estia token (EST) is a utility token. It is based on the Polygon blockchain and aims to facilitate retail transactions via the efficient integration with the Estia Payments crypto payments gateway. The two systems are not related anyhow by virtue of ownership. In that sense, Estia token (EST) is not an asset or security token. Estia has a variable value versus fiat currency and on this basis is not a stable token. On the contrary, it is designed to be of deflationary nature, thus aimed at increasing its value, whilst having a fixed circulation.

The benefit for the user to use the Estia token (EST), instead of any other crypto currency coin or token to make purchases via retailers operating the Estia platform is a 10% airdrop of Estia token (EST) of the fiat value of any purchase made. For example, if someone buys 100Euro worth of goods via the Estia token (EST), then the purchaser will immediately get 10Euro value of Estia token (EST) as an immediate airdrop to the wallet that he used for the purchase.

Redundant SafeMath Library

Missing Error Messages

State Variables could be Declared Constant

Conformance to Solidity Naming Conventions

Dead Code Elimination

Divide before Multiply Operation

Local Scope Variable Shadowing

Stable Compiler Version

Succeeded Transfer Check

Contract Centralization Risk

Missing Transfer Event Emission

Misleading USDT Token Usage

Duplicated Transfer Logic

Inaccurate Contribution Tracking

Tokens Sufficiency Insurance

Decimals Precision Inconsistency

Misleading Comment Explanation

Incorrect Time Extension

Time Units Usage

Duplicated Vesting Address Set

 Inadequate Vesting Lock

Misleading Method Naming

Redundant Function Call

Missing Vesting Interface Check

Transfers Contract's Tokens

Inconsistent Token Decimals

 Missing Access Control

Zero Division

Unrestricted Vesting Timeframe

Missing Check

Unutilized Parameter Usage

Commented Code Segments

Vesting StartTime Inconsistency

Redundant uint256 Casting

Unauthorized Grant Revocation

Missing Token Grant Existence Check

Redundant Timestamp Function

Infinite Loop Execution

Array Length Mismatch

Vesting Period Timeframes Misalignment

Unreasonable Revoke Logic

Missing Events Emission

Token Claim Inconsistency

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Onboarded Date	11 Sep 2024
Status	In Progress