Swap
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The Swap instrument allows makers to post their intend for a token exchange. Taker can engage the issuance and complete the exchange.
The swap instrument is 1 to 1 only, which means one swap issuance can be engaged by only one taker.
The image below shows the lifecycle of swap issuance and engagement.
When a swap issuance is created and the input token is deposited, the swap issuance becomes Engageable;
When a taker engages the swap issuance and deposits the output token
The swap issuance is Complete with a completion ratio of 10000
The swap engagement is created and Complete;
The input token is transferred to taker and the output token is transferred to maker
When maker cancels an Engageable swap issuance, the swap issuance becomes Cancelled and the deposited input token is returned.
The swap instrument is highly customizable. It defines a set of parameters which allows both Service providers and makers to customize the swap instrument and its issuances.
The following parameters allow Service Provider to customize the swap instrument. They are all defined in the swap instrument contract.
Swap Instrument Parameter
Description
Default
Max issuance duration
Maximum duration of the issuance in seconds
14 days
Min issuance duration
Minimum duration of the issuance in seconds
0
The following parameters allow makers to customize the swap issuance. They are defined as the maker data in creating new swap issuance.
Swap Issuance Parameter
Description
Issuance duration
The duration of issuance in seconds
Input token address
Input amount
Output token address
Output amount
The swap issuance defines a set of custom property. It includes all the maker parameters shown in the previous section.
The swap engagement does not define any custom property.
