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Check stateful annotations

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Functions must be annotated as `stateful` in order to
- Update the contract state (using `put`)
- Call `Chain.spend` or other primitive functions that cost tokens
- Call an Oracle or AENS function that requires a signature
- Make a remote call with a non-zero value
- Construct a lambda calling a stateful function

It does not need to be stateful to
- Read the contract state
- Call another contract with value=0, even when the remote function is stateful
This commit is contained in:
Ulf Norell
2019-05-13 13:39:17 +02:00
parent e1a798aef4
commit 5aed8b3ef5
18 changed files with 152 additions and 59 deletions
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test/contracts/maps.aes
+12 -12
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@@ -17,8 +17,8 @@ contract Maps =
{ ["one"] = {x = 1, y = 2},
["two"] = {x = 3, y = 4},
["three"] = {x = 5, y = 6} }
function map_state_i() = put(state{ map_i = map_i() })
function map_state_s() = put(state{ map_s = map_s() })
stateful function map_state_i() = put(state{ map_i = map_i() })
stateful function map_state_s() = put(state{ map_s = map_s() })
// m[k]
function get_i(k, m : map(int, pt)) = m[k]
@@ -35,20 +35,20 @@ contract Maps =
// m{[k] = v}
function set_i(k, p, m : map(int, pt)) = m{ [k] = p }
function set_s(k, p, m : map(string, pt)) = m{ [k] = p }
function set_state_i(k, p) = put(state{ map_i = set_i(k, p, state.map_i) })
function set_state_s(k, p) = put(state{ map_s = set_s(k, p, state.map_s) })
stateful function set_state_i(k, p) = put(state{ map_i = set_i(k, p, state.map_i) })
stateful function set_state_s(k, p) = put(state{ map_s = set_s(k, p, state.map_s) })
// m{f[k].x = v}
function setx_i(k, x, m : map(int, pt)) = m{ [k].x = x }
function setx_s(k, x, m : map(string, pt)) = m{ [k].x = x }
function setx_state_i(k, x) = put(state{ map_i[k].x = x })
function setx_state_s(k, x) = put(state{ map_s[k].x = x })
stateful function setx_state_i(k, x) = put(state{ map_i[k].x = x })
stateful function setx_state_s(k, x) = put(state{ map_s[k].x = x })
// m{[k] @ x = v }
function addx_i(k, d, m : map(int, pt)) = m{ [k].x @ x = x + d }
function addx_s(k, d, m : map(string, pt)) = m{ [k].x @ x = x + d }
function addx_state_i(k, d) = put(state{ map_i[k].x @ x = x + d })
function addx_state_s(k, d) = put(state{ map_s[k].x @ x = x + d })
stateful function addx_state_i(k, d) = put(state{ map_i[k].x @ x = x + d })
stateful function addx_state_s(k, d) = put(state{ map_s[k].x @ x = x + d })
// m{[k = def] @ x = v }
function addx_def_i(k, v, d, m : map(int, pt)) = m{ [k = v].x @ x = x + d }
@@ -77,8 +77,8 @@ contract Maps =
// Map.delete
function delete_i(k, m : map(int, pt)) = Map.delete(k, m)
function delete_s(k, m : map(string, pt)) = Map.delete(k, m)
function delete_state_i(k) = put(state{ map_i = delete_i(k, state.map_i) })
function delete_state_s(k) = put(state{ map_s = delete_s(k, state.map_s) })
stateful function delete_state_i(k) = put(state{ map_i = delete_i(k, state.map_i) })
stateful function delete_state_s(k) = put(state{ map_s = delete_s(k, state.map_s) })
// Map.size
function size_i(m : map(int, pt)) = Map.size(m)
@@ -95,6 +95,6 @@ contract Maps =
// Map.from_list
function fromlist_i(xs : list((int, pt))) = Map.from_list(xs)
function fromlist_s(xs : list((string, pt))) = Map.from_list(xs)
function fromlist_state_i(xs) = put(state{ map_i = fromlist_i(xs) })
function fromlist_state_s(xs) = put(state{ map_s = fromlist_s(xs) })
stateful function fromlist_state_i(xs) = put(state{ map_i = fromlist_i(xs) })
stateful function fromlist_state_s(xs) = put(state{ map_s = fromlist_s(xs) })