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220 | {
"_doc": "The balance fold, as arithmetic anyone can check. `me` is the payer; every amount below is in the fixture currency. settled folds receipts only (credit when po.to === me, debit when po.from === me), held sums OUTGOING pending orders, available = settled - held. The expected numbers are written out by hand, not read back from a run.",
"me": "A6EHv_POEL4dcN0Y50vAmWfk1jCbpQ1fHdyGZBJVMbg",
"cur": "0EqyMnQrtKs6E2i9RhXk5tAiSrcaAWuvhSCjMsl3hzc.LEI",
"steps": [
{
"op": "start",
"expect": null,
"nextSeq": 1,
"why": "a fresh ledger has no currencies and no history"
},
{
"op": "addOrder",
"order": "out_a",
"amt": 100,
"seq": 1,
"expect": {
"settled": 0,
"held": 100,
"available": -100
},
"nextSeq": 2,
"why": "signing an order commits nothing and settles nothing"
},
{
"op": "addOrder",
"order": "out_b",
"amt": 250,
"seq": 2,
"expect": {
"settled": 0,
"held": 350,
"available": -350
},
"nextSeq": 3,
"why": "100 + 250 held"
},
{
"op": "addOrder",
"order": "out_a",
"amt": 100,
"seq": 1,
"expect": {
"settled": 0,
"held": 350,
"available": -350
},
"nextSeq": 3,
"expectResult": false,
"why": "the same order twice is one order"
},
{
"op": "applyReceipt",
"order": "out_a",
"expect": {
"settled": -100,
"held": 250,
"available": -350
},
"nextSeq": 3,
"why": "the debit lands and the hold is released: 0-100 settled, 350-100 held"
},
{
"op": "applyReceipt",
"order": "out_a",
"expect": {
"settled": -100,
"held": 250,
"available": -350
},
"nextSeq": 3,
"expectResult": false,
"why": "idempotent — folding a receipt twice would double a debit"
},
{
"op": "applyDecline",
"order": "out_b",
"expect": {
"settled": -100,
"held": 0,
"available": -100
},
"nextSeq": 3,
"why": "a decline releases the hold and moves nothing"
},
{
"op": "applyReceipt",
"order": "in_c",
"amt": 500,
"seq": 1,
"expect": {
"settled": 400,
"held": 0,
"available": 400
},
"nextSeq": 3,
"why": "an incoming receipt credits: -100 + 500 = 400. Its seq is the PAYEE's, so nextSeq is untouched"
},
{
"op": "reload",
"expect": {
"settled": 400,
"held": 0,
"available": 400
},
"nextSeq": 3,
"why": "a fresh LedgerStore on the same key folds to the same numbers"
}
],
"issuance_steps": {
"_doc": "The issuance fold, as arithmetic anyone can check. `me` is the payer again; a wri credits `to` and NEVER debits anyone in this ledger — a burn has no wri at all. The mints are named rows the test signs with the fixed bank seed; each carries its own `h`, and the re-issue row reuses mint_a's `h` with a fresh ts, which is the same fact said twice.",
"mints": {
"mint_a": {
"seq": 1,
"amt": 500,
"h": "mint-entry-a",
"to": "me"
},
"mint_b": {
"seq": 2,
"amt": 250,
"h": "mint-entry-b",
"to": "me"
},
"mint_other": {
"seq": 3,
"amt": 999,
"h": "mint-entry-c",
"to": "payee"
}
},
"steps": [
{
"op": "applyIssuance",
"mint": "mint_a",
"expect": {
"settled": 500,
"held": 0,
"available": 500
},
"nextSeq": 1,
"expectResult": true,
"why": "a mint credits with no order and no debit anywhere"
},
{
"op": "applyIssuance",
"mint": "mint_a",
"reissueTsDelta": 5000,
"expect": {
"settled": 500,
"held": 0,
"available": 500
},
"nextSeq": 1,
"expectResult": false,
"why": "a re-issued receipt with a fresh ts is the same mint — issuanceKey is blind to ts"
},
{
"op": "applyIssuance",
"mint": "mint_other",
"expect": {
"settled": 500,
"held": 0,
"available": 500
},
"nextSeq": 1,
"expectResult": false,
"why": "a mint to someone else is rejected outright: a wri has exactly one beneficiary"
},
{
"op": "addOrder",
"order": "out_a",
"amt": 100,
"seq": 1,
"expect": {
"settled": 500,
"held": 100,
"available": 400
},
"nextSeq": 2,
"expectResult": true,
"why": "minted money can then be committed by an ordinary order"
},
{
"op": "applyReceipt",
"order": "out_a",
"expect": {
"settled": 400,
"held": 0,
"available": 400
},
"nextSeq": 2,
"expectResult": true,
"why": "and settled: 500 - 100"
},
{
"op": "applyIssuance",
"mint": "mint_b",
"expect": {
"settled": 650,
"held": 0,
"available": 650
},
"nextSeq": 2,
"expectResult": true,
"why": "a second mint on a different entry hash folds: 400 + 250. The bank's issuance seq never touches the payer's order seq"
},
{
"op": "reload",
"expect": {
"settled": 650,
"held": 0,
"available": 650
},
"nextSeq": 2,
"why": "a fresh LedgerStore on the same key folds to the same numbers"
}
]
}
}
|