fix: refund keys 33 byte keys (#121)

tests/11-test.md

@@ -22,10 +22,10 @@ The following is a `Proof` with one one signature failing the multi-signature sp
 ```
 The following is a `Proof` with a signature from the refund key that is spendable because the locktime is in the past.
 ```json
-{"amount":1,"secret":"[\"P2PK\",{\"nonce\":\"3eff971bb1ca70b16be3446a4d3feedf2f37f054c5c8621d832744df71b028f0\",\"data\":\"0249098aa8b9d2fbec49ff8598feb17b592b986e62319a4fa488a3dc36387157a7\",\"tags\":[[\"pubkeys\",\"0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798\",\"02142715675faf8da1ecc4d51e0b9e539fa0d52fdd96ed60dbe99adb15d6b05ad9\"],[\"locktime\",\"21\"],[\"n_sigs\",\"2\"],[\"refund\",\"49098aa8b9d2fbec49ff8598feb17b592b986e62319a4fa488a3dc36387157a7\"],[\"sigflag\",\"SIG_INPUTS\"]]}]","C":"02698c4e2b5f9534cd0687d87513c759790cf829aa5739184a3e3735471fbda904","id":"009a1f293253e41e","witness":"{\"signatures\":[\"94c6355461ca88e5d22c4e65e920b2e8253ccb4dd084675453a7bba7044e580246bd05e2520691afeccb2a88784cc56064353aec8b6a61e172727ba9cb3054a1\"]}"}
+{"amount":1,"id":"009a1f293253e41e","secret":"[\"P2PK\",{\"nonce\":\"902685f492ef3bb2ca35a47ddbba484a3365d143b9776d453947dcbf1ddf9689\",\"data\":\"026f6a2b1d709dbca78124a9f30a742985f7eddd894e72f637f7085bf69b997b9a\",\"tags\":[[\"pubkeys\",\"0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798\",\"03142715675faf8da1ecc4d51e0b9e539fa0d52fdd96ed60dbe99adb15d6b05ad9\"],[\"locktime\",\"21\"],[\"n_sigs\",\"2\"],[\"refund\",\"026f6a2b1d709dbca78124a9f30a742985f7eddd894e72f637f7085bf69b997b9a\"],[\"sigflag\",\"SIG_INPUTS\"]]}]","C":"02698c4e2b5f9534cd0687d87513c759790cf829aa5739184a3e3735471fbda904","witness":"{\"signatures\":[\"710507b4bc202355c91ea3c147c0d0189c75e179d995e566336afd759cb342bcad9a593345f559d9b9e108ac2c9b5bd9f0b4b6a295028a98606a0a2e95eb54f7\"]}"}
 ```
 
 The following is a `Proof` with a signature from the refund key that is **not** spendable because the locktime is in the future.
 ```json
-{"amount":1,"secret":"[\"P2PK\",{\"nonce\":\"d14cf9be9d9438d548b6b9d29bf800611136d053421b0f48c38d1447a7a92fc8\",\"data\":\"0249098aa8b9d2fbec49ff8598feb17b592b986e62319a4fa488a3dc36387157a7\",\"tags\":[[\"pubkeys\",\"0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798\",\"02142715675faf8da1ecc4d51e0b9e539fa0d52fdd96ed60dbe99adb15d6b05ad9\"],[\"locktime\",\"2100000000000\"],[\"n_sigs\",\"2\"],[\"refund\",\"49098aa8b9d2fbec49ff8598feb17b592b986e62319a4fa488a3dc36387157a7\"],[\"sigflag\",\"SIG_INPUTS\"]]}]","C":"02698c4e2b5f9534cd0687d87513c759790cf829aa5739184a3e3735471fbda904","id":"009a1f293253e41e","witness":"{\"signatures\":[\"c3079dccf828e9d38bbbb17edf19c7915ee11920cf271c36b8780fdeb88b16fbfbe0328c7dcbe80e56cdc8f85c5831c79df77b27e81e5630a4dd392601fab9eb\"]}"}
+{"amount":1,"id":"009a1f293253e41e","secret":"[\"P2PK\",{\"nonce\":\"64c46e5d30df27286166814b71b5d69801704f23a7ad626b05688fbdb48dcc98\",\"data\":\"026f6a2b1d709dbca78124a9f30a742985f7eddd894e72f637f7085bf69b997b9a\",\"tags\":[[\"pubkeys\",\"0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798\",\"03142715675faf8da1ecc4d51e0b9e539fa0d52fdd96ed60dbe99adb15d6b05ad9\"],[\"locktime\",\"21\"],[\"n_sigs\",\"2\"],[\"refund\",\"0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798\"],[\"sigflag\",\"SIG_INPUTS\"]]}]","C":"02698c4e2b5f9534cd0687d87513c759790cf829aa5739184a3e3735471fbda904","witness":"{\"signatures\":[\"f661d3dc046d636d47cb3d06586da42c498f0300373d1c2a4f417a44252cdf3809bce207c8888f934dba0d2b1671f1b8622d526840f2d5883e571b462630c1ff\"]}"}
 ```