feat(sdk): pre-inscriber + better utxo splitting #130
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What this PR does / why we need it:
Introduced
PreInscriber
that is used to combine multiple seller PSBTs and 1 buyer psbt into a valid PSBT. This requires(n + 1)
dummy utxos wheren
is the number of inscription/seller psbts.Upgraded UTXOManager by introducing a new fn
splitUTXOIntoRefundable
which will split utxo inton
different refundable (dummy) utxos forPreInscriber
Added BigNumber to handle conversion of sats -> BTC and BTC -> sats
Which issue(s) does this PR fixes?:
Additional comments?:
Developer Checklist: