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Redeem
Claim back 'change' due to slippage in Mint/Burn/Swap process.

Transaction Group

0. Pay - pay fees in Algo from PoolerSwapper to Pool
  • fees to cover Tx 1,2
  • Signed by Pooler
{
"txn": {
"type": "pay",
"rcv": "{POOL_ADDRESS}",
"snd": "{POOLER/SWAPPER_ADDRESS",
"amt": 2000,
"fee": 1000,
...
},
"sig": "{POOLER/SWAPPER_SIG}",
}
  1. 1.
    App Call - NoOp call to Validator App with args ['redeem'], with Pooler/Swapper account
    • Signed by Pool LogicSig
{
"txn": {
"type": "appl",
"snd": "{POOL_ADDRESS}",
"apid": {VALIDATOR_APP_ID},
"apan": 0, // OnComplete: NoOp
"apaa": ['cmVkZWVt'], // ['redeem']
"apas": [{ASSET1_ID}, {ASSET2_ID}, {LIQUIDITY_ASSET_ID}], // or just [{ASSET1_ID}, {LIQUIDITY_ASSET_ID}] if asset 2 is Algo
"apat": [{POOLER/SWAPPER_ADDRESS}],
"fee": 1000,
...
},
"lsig": "{POOL_LOGICSIG}",
}
2. (a) AssetTransfer - Transfer of asset from Pool to Pooler/Swapper
  • If asset is an ASA
  • Signed by Pool LogicSig
{
"txn": {
"type": "axfer",
"arcv": "{POOLER/SWAPPER_ADDRESS}",
"snd": "{POOL_ADDRESS}",
"xaid": {ASSET_ID},
"aamt": {ASSET_AMOUNT},
"fee": 1000,
...
},
"lsig": "{POOL_LOGICSIG}",
}
2. (b) Pay - Transfer of Algo from Pool to Pooler/Swapper
  • If asset is Algo
  • Signed by Pool LogicSig
{
"txn": {
"type": "pay",
"rcv": "{POOLER/SWAPPER_ADDRESS}",
"snd": "{POOL_ADDRESS"},
"amt": {ASSET_AMOUNT},
"fee": 1000,
...
},
"lsig": "{POOL_LOGICSIG}",
}

Validator App State Changes

Global State
None
Pool Account Local State
  • o{LIQUIDITY_ASSET_ID}: {int} // total outstanding unredeemed liquidity asset amount
  • o{ASSET1_ID}: {int} // total outstanding unredeemed asset 1 amount
  • o{ASSET2_ID}: {int} // total outstanding unredeemed asset 2 amount
Pooler/Swapper Account Local State
  • {POOL_ADDRESS}e{LIQUIDITY_ASSET_ID}: {int} // excess liquidity asset amount available for redemption
  • {POOL_ADDRESS}e{ASSET1_ID}: {int} // excess asset 1 amount available for redemption
  • {POOL_ADDRESS}e{ASSET2_ID}: {int} // excess asset 2 amount available for redemption
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Outline
Transaction Group
Validator App State Changes