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Type: Map: Host reject ScMaps that are out-of-order #221

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leighmcculloch opened this issue Jul 15, 2022 · 2 comments
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Type: Map: Host reject ScMaps that are out-of-order #221

leighmcculloch opened this issue Jul 15, 2022 · 2 comments

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@leighmcculloch
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leighmcculloch commented Jul 15, 2022 •
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What

Host should reject ScMaps that are out-of-order.

Why

Out-of-order maps are an indication of bad/wrong input. They're a footgun because they are unlikely to have been signed correctly. They will also not round-trip serialize, so the input and output of a contract fn that passes the structure straight through will not be identical XDR bytes.

Related to #222 stellar/rs-stellar-xdr#98

cc @graydon @jonjove @jayz22
@leighmcculloch leighmcculloch mentioned this issue Jul 15, 2022
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@leighmcculloch
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Dependent on stellar/rs-stellar-xdr#106

@leighmcculloch
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Superseded by #223

@leighmcculloch leighmcculloch closed this as not planned Won't fix, can't repro, duplicate, stale Jul 15, 2022
@leighmcculloch leighmcculloch mentioned this issue Jul 15, 2022
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