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src/apps/wallet: add asserts to sign_tx.writers
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@ -33,6 +33,7 @@ def write_tx_output(w, o: TxOutputBinType):
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def write_op_push(w, n: int):
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assert n >= 0 and n <= 4294967295
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if n < 0x4C:
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w.append(n & 0xFF)
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elif n < 0xFF:
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@ -55,6 +56,7 @@ def write_op_push(w, n: int):
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def write_varint(w, n: int):
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assert n >= 0 and n <= 4294967295
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if n < 253:
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w.append(n & 0xFF)
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elif n < 65536:
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@ -70,6 +72,7 @@ def write_varint(w, n: int):
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def write_uint32(w, n: int):
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assert n >= 0 and n <= 4294967295
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w.append(n & 0xFF)
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w.append((n >> 8) & 0xFF)
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w.append((n >> 16) & 0xFF)
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@ -77,6 +80,7 @@ def write_uint32(w, n: int):
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def write_uint64(w, n: int):
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assert n >= 0 and n <= 18446744073709551615
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w.append(n & 0xFF)
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w.append((n >> 8) & 0xFF)
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w.append((n >> 16) & 0xFF)
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