Etherdrake
14 lines
1.3 KiB
Markdown
14 lines
1.3 KiB
Markdown
> ## Documentation Index
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> Fetch the complete documentation index at: https://docs.polymarket.com/llms.txt
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> Use this file to discover all available pages before exploring further.
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# Merging Tokens
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In addition to splitting collateral for a full set, the inverse can also happen; a full set can be "merged" for collateral. This operation can again happen at any time after a condition has been prepared on the CTF contract. One unit of each position in a full set is burned in return for 1 collateral unit. This operation happens via the `mergePositions()` function on the CTF contract with the following parameters:
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* `collateralToken`: IERC20 - The address of the positions' backing collateral token.
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* `parentCollectionId`: bytes32 - The ID of the outcome collections common to the position being merged and the merge target positions. Null in Polymarket case.
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* `conditionId`: bytes32 - The ID of the condition to merge on.
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* `partition`: uint\[] - An array of disjoint index sets representing a nontrivial partition of the outcome slots of the given condition. E.G. A|B and C but not A|B and B|C (is not disjoint). Each element's a number which, together with the condition, represents the outcome collection. E.G. 0b110 is A|B, 0b010 is B, etc. In the Polymarket case 1|2.
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* `amount` - The number of full sets to merge. Also the amount of collateral to receive.
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