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event TokensTraded()

This function fires an event after a token is successfully swapped

event TokensTraded()

Every trade on Bancor will emit this event with information on the trade itself.
event TokensTraded(
bytes32 contextId,
Token indexed pool,
Token indexed sourceToken,
Token indexed targetToken,
uint256 sourceAmount,
uint256 targetAmount,
uint256 bntAmount,
uint256 targetFeeAmount,
uint256 bntFeeAmount,
address trader
);
Parameter Name
Type
Description
contextId
bytes32
Unique identifier for the specific transaction (can be used for grouping multiple events)
pool
Token
the address of the pool utilizing the trade
sourceToken
Token
The source token address
targetToken
Token
The target token address
sourceAmount
unit256
The amount of source tokens
targetAmount
unit256
The amount of target tokens
bntAmount
unit256
Amount of BNT tokens that were reallocated from sourceToken to targetToken trade liquidity
targetFeeAmount
unit256
The trading fee amount for target tokens
bntFeeAmount
unit256
The trading fee amount for BNT tokens
trader
address
The senders wallet address
Trades on the Bancor Network are represented by a single-hop in all cases. TokensTraded event tracks the key information. The sourceAmount is provided by the trader in exchange for the targetAmount (which already has the targetTokenFee subtracted from it).
Behind the scenes, the bntAmount is the BNT volume that facilitates the trade and has the bntFee subtracted from it.